the perimeter of hexagon is:
16x6=96(cm)
a star have 10 side so 1 side of the star long:
96:10=9,6(cm)
Result:9,6 cm
mk dang cho vui nhung mk cung hoc gioi toan nhat lop do
nhung mik thay bn truong hoi khoe khoang day nhi ????
the perimeter of hexagon is:
16x6=96(cm)
a star have 10 side so 1 side of the star long:
96:10=9,6(cm)
Result:9,6 cm
mk dang cho vui nhung mk cung hoc gioi toan nhat lop do
nhung mik thay bn truong hoi khoe khoang day nhi ????
The perimeter of the star equals the perimeter of the regular hexagon.Each side of the hexagon is long.Each side of the star is long.
The lengths in cm of three sides of a triangle are three consecutive odd numbers. Knowing that the perimeter of the triangle is 39cm, find the length of the longest side of the triangle. Show your work.
The area of a rectangle is equal to a square's area. The square's side is 4cm less than the rectangle's length but 3cm more than the rectangle's width. What's the perimeter of the rectangle? (Chi can dich va dap an):))))
Exam number 1: Đi tìm kho báu
Question 1:
185,4 - 5,36 = ............
Which answer is correct?
a. 180,04b. 18,004c. 1,318d. 13,18
Question 2:
Calculate: 124,7 : 100 + 45,18 = ..............
a. 46,427b. 47,426c. 46,247d. 47,246Question 3:
Look at these numbers
5,586 0,293 0,675 5,595
Two numbers in the box have a sum of 6,261 are .............
Question 4:
Brick is $28,25 per 25kg. How much is 350kg of brick?
Answer:
Question 5:
If X is a natural number and 0,5 x X > 8,3 then the smallest value of X is ............
Exam number 2: Choose 2 consecutive cells which have the same or equal value. (Tìm cặp bằng nhau)
Answer:
(1) = ......; (2) = ......; (3) = .......; (4) = .....; (5) = ......; (6) = ......; (7) = ........; (8) = ......; (11) = ......; (15) = .......
Nhập số thứ tự của các ô vào chỗ (....) cho thích hợp để được các cặp giá trị bằng nhau.
Exam number 3: Fill in the blank with the suitable number (Note: write decimal number with the comma between number part and fraction part. Ex: 0,5)
Question 1:
Find x such that 2,89 < x < 11,01 and x are even natural numbers.
Answer: ................
(Write numbers in the order from smallest to greatest and use ";")
Question 2:
2,3m + 6,8m = ......... dm.
Question 3:
7m2 4dm2 = ........... cm2.
Question 4:
123004,64 : 10000 = ...............
Question 5:
15% of 370kg = .................g
Question 6:
2m2 3dm2 + 1m2 35cm2 = ........... cm2.
Question 7:
The perimeter of the star equals the perimeter of the regular hexagon. Each side of the hexagon is 16cm long. Each side of the star is ........... cm long.
Question 8:
Jane bought jelly beans. She gave 9/11 of them for Jack. If Jane kept 36 jelly beans then she bought .......... jelly beans in total.
Question 9:
Tina works 17 hours a week (Monday to Friday). Last week she worked 4,5 hours on Monday; 5 hours on Tuesday; 2,2 hours on Wednesday and 1,5 hours on Thursday. She worked ......... minutes on Friday.
Question 10:
The value of 2,73 + 4,23 + 5,73 + 7,23 + 8,73 + 10,23 + 11,73 + 13,23 +14,73 + 16,23 + 17,73 is .....................
A square of side 8cm has the same perimeter as a rectangle. If the ratio of the width of the rectangle to its length is 1:3 then its area is ....?
Question 10:
A square of side 8cm has the same perimeter as a rectangle. If the ratio of the width of the rectangle to its length is 1:3 then its area is
A square of side 8cm has the same perimeter as a rectangle. If the ratio of the width of the rectangle to its length is 1:3 then its area is ...cm2?
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A rectangle has a perimeter of 3.6dm and one side is twice as long as another. What is the rectangle’s area in m2?