The area of a rectangle ABCD is 56 cm2 . Given a random point E inside of ABCD.Find the total area of triangles AED and BEC.
Giúp mk nha . mk cần gấp . ai giúp có thưởng lớn
The area of a rectangle ABCD is 56cm2. Given a random point E inside of ABCD.Find the total area of triangles AED and BEC.
In rectangle ABCD, AC = BD, HI = AB
We have: S"AED" + S"BEC"
= AC x HE : 2 + BD x EI : 2
AC = BD so AC x HE : 2 + AC x EI : 2
= AC x (HE + EI) : 2
= AC x HI : 2
= AC x AB : 2
Area of this rectangle is 56cm2, or AC x AB, so:
= 56 cm2 : 2
= 28 cm2
Result: 28 cm2
The area of a rectangle ABCD is 56cm2. Given a random point E inside of ABCD.Find the total area of triangles AED and BEC.
dịch Hình chữ nhật có ABCD có diện tích 56cm2. lấy một điểm E bất kỳ nằm trong HCN. tính tổng diện tích của hình tam giác AED và BEC
có cách giải đầy đủ nha. Ai nhanh sẽ được 5 tick
ra 28 mình làm rồi
Giải ngay ! Gải nhanh ! Giải đúng !
Number 2 : The area of a rectangle ABCD is 56cm2. Given a random point E inside of ABCD. Find the total area of triangles AED and BEC.
Answer: ............. cm2.
Number 3 :Peter and Jacob were running. Both of them run with their constant speeds. They started at the same time and the same place. When Jacob reached the finishing line, Peter had only run 5/8 of what Jacob had run. Jacob’s speed is 75m/min (metre per minute) faster than Peter. What was Peter’s speed in m/min?
Answer: ............. m/min.
How fast is Anna going if she runs 8 miles in the park in only 2 hours?
Answer: mile/hour.
Question 2
How far will Mary travel if she rides her motorbike for 24 minutes at a speed of 75 miles/hour?
Answer: miles.
Question 3:
Yesterday Peter roller skated for 2.5 hours at a speed of 6 km/h. How many kilometers did he skate?
Answer: km.
Question 4:
How fast is Jack going if the train he is on travels 20 miles in just 6 minutes?
Answer: miles/hour.
Question 5
The area of a rectangle ABCD is . Given a random point E inside of ABCD.Find the total area of triangles AED and BEC.
Answer:
Question 6:
The distance between 2 trees is 300 meters. It will take a bird 30 seconds to fly between these 2 trees. How fast is the bird in kilometer per hour?
Answer: km/h.
Làm thế nào nhanh chóng được Anna đi nếu cô ấy chạy 8 dặm trong công viên chỉ trong 2 tiếng đồng hồ?
Trả lời: dặm / giờ.
Câu hỏi 2
Làm thế nào đến nay Mary sẽ đi du lịch nếu cô cưỡi xe máy của mình cho 24 phút ở tốc độ 75 dặm / giờ?
Trả lời: dặm.
Câu hỏi 3:
Hôm qua giày trượt Peter đũa cho 2,5 giờ với tốc độ 6 km / h. Có bao nhiêu cây số anh ấy trượt?
Trả lời: km.
Câu hỏi 4:
Làm thế nào nhanh chóng được Jack đi nếu tàu ông là những chuyến đi 20 dặm chỉ trong 6 phút?
Trả lời: dặm / giờ.
Câu hỏi 5
Các khu vực của một hình chữ nhật ABCD là. Cho một điểm E ngẫu nhiên bên trong của ABCD.Tính tổng diện tích của các tam giác AED và BEC.
Câu trả lời:
Câu hỏi 6:
Khoảng cách giữa 2 cây là 300 mét. Nó sẽ mất một con chim 30 giây để đi giữa 2 cây. Nhanh như thế nào là con chim trong cây số một giờ?
Trả lời: km / h.
Đây là toán tiếng anh phải ko? Viết tiếng việt cho đễ đọc
0.6 hour = minutes.
Question 2:
51 hours = days
(Write your answer by decimal in the simplest form)
Question 3:
12 hours 24 minutes 2 = hours.
(Write your answer by decimal in the simplest form)
Question 4:
5 minutes 27 seconds: 3 = seconds.
Question 5:
How far will Mary travel if she rides her motorbike for 24 minutes at a speed of 75 miles/hour?
Answer: miles.
Question 6:
How fast is Anna going if she runs 8 miles in the park in only 2 hours?
Answer: mile/hour.
Question 7:
How fast is Jack going if the train he is on travels 20 miles in just 6 minutes?
Answer: miles/hour.
Question 8:
Yesterday Peter roller skated for 2.5 hours at a speed of 6 km/h. How many kilometers did he skate?
Answer: km.
Question 9:
The distance between 2 trees is 300 meters. It will take a bird 30 seconds to fly between these 2 trees. How fast is the bird in kilometer per hour?
Answer: km/h.
Question 10:
The area of a rectangle ABCD is . Given a random point E inside of ABCD.Find the total area of triangles AED and BEC.
Answer:
Question 1:
51 hours = days
(Write your answer by decimal in the simplest form)
Question 2:
5 minutes 27 seconds: 3 = seconds.
Question 3:
12 hours 24 minutes 2 = hours.
(Write your answer by decimal in the simplest form)
Question 4:
0.6 hour = minutes.
Question 5:
How fast is Anna going if she runs 8 miles in the park in only 2 hours?
Answer: mile/hour.
Question 6:
Yesterday Peter roller skated for 2.5 hours at a speed of 6 km/h. How many kilometers did he skate?
Answer: km.
Question 7:
How fast is Jack going if the train he is on travels 20 miles in just 6 minutes?
Answer: miles/hour.
Question 8:
How far will Mary travel if she rides her motorbike for 24 minutes at a speed of 75 miles/hour?
Answer: miles.
Question 9:
The area of a rectangle ABCD is . Given a random point E inside of ABCD.Find the total area of triangles AED and BEC.
Answer:
Question 10:
The distance between 2 trees is 300 meters. It will take a bird 30 seconds to fly between these 2 trees. How fast is the bird in kilometer per hour?
Answer: km/h.
Question 1:
5 minutes 27 seconds: 3 = seconds.
Question 2:
51 hours = days
(Write your answer by decimal in the simplest form)
Question 3:
12 hours 24 minutes 2 = hours.
(Write your answer by decimal in the simplest form)
Question 4:
0.6 hour = minutes.
Question 5:
How far will Mary travel if she rides her motorbike for 24 minutes at a speed of 75 miles/hour?
Answer: miles.
Question 6:
How fast is Jack going if the train he is on travels 20 miles in just 6 minutes?
Answer: miles/hour.
Question 7:
Yesterday Peter roller skated for 2.5 hours at a speed of 6 km/h. How many kilometers did he skate?
Answer: km.
Question 8:
How fast is Anna going if she runs 8 miles in the park in only 2 hours?
Answer: mile/hour.
Question 9:
The area of a rectangle ABCD is . Given a random point E inside of ABCD.Find the total area of triangles AED and BEC.
Answer:
Question 10:
The distance between 2 trees is 300 meters. It will take a bird 30 seconds to fly between these 2 trees. How fast is the bird in kilometer per hour?
Answer: km/h.
Question 1:
5 minutes 27 seconds: 3 = seconds.
Question 2:
51 hours = days
(Write your answer by decimal in the simplest form)
Question 3:
12 hours 24 minutes 2 = hours.
(Write your answer by decimal in the simplest form)
Question 4:
0.6 hour = minutes.
Question 5:
How far will Mary travel if she rides her motorbike for 24 minutes at a speed of 75 miles/hour?
Answer: miles.
Question 6:
How fast is Jack going if the train he is on travels 20 miles in just 6 minutes?
Answer: miles/hour.
Question 7:
Yesterday Peter roller skated for 2.5 hours at a speed of 6 km/h. How many kilometers did he skate?
Answer: km.
Question 8:
How fast is Anna going if she runs 8 miles in the park in only 2 hours?
Answer: mile/hour.
Question 9:
The distance between 2 trees is 300 meters. It will take a bird 30 seconds to fly between these 2 trees. How fast is the bird in kilometer per hour?
Answer: km/h.
Question 10:
The area of a rectangle ABCD is . Given a random point E inside of ABCD.Find the total area of triangles AED and BEC.
Answer:
In the figure, ABCD is a rectangle; E is the midpoint of AD; F is the midpoint of CD. What is the ratio between the area of the rectangle ABCD and the area of the triangle AEF?
linh tinh quá đây là phần mềm học toán chưa
Đây là toán tiếng Anh đó bạn. Mình biết đáp án nhưng ko biết cách làm nên hỏi mấy bạn. Đáp án là: 8:1.