Vì diện tích hình chữ nhật bằng diện tích hình vuông có cạnh là 35m. Suy ra: Diện tích hình chữ nhật là: 35 x 35 = 1225 (m2)
Chiều dài hình chữ nhật là: 1225 : 24.5 = 50 (m)
Chu vi hình chữ nhật là: (50 + 24.5) x 2 = 149 (m)
Câu 6:
4.8l of oil weigh 3.648kg. How many liters of oil are there if they weigh 4.864kg?
Answer: There are liters
(Write your answer as a decimal in the simplest form)
Câu 7:
Inspecting products of a factory, we find that there are 97 qualified products out of every 100 products on average. What percent of the total products is qualified products?
Answer: %
Câu 8:
A rectangular field has a width of 24.5m and its area equals the area of a square with the sides of 35m. Find the perimeter of that rectangular field.
Answer: m
Câu 9:
The area of a triangle ABC is , take the point M on BC such that BM=MC and the point N on AC such that AN=NC. Find the area of the triangle AMN.
Answer:
Câu 10:
A store sold 902kg of rice which is 10.25% of the total amount of rice. How many kilograms of rice were there in that store at first?
Answer: There were kilograms
Half of the perimeter of a rectangular school yard is 0.24km. The width is of the length. Find the area of the yard in square meters?
Wilson jogged around a rectangular field 3 times. He covered a total distance of 450 m. If the length of the field is 50 m, find the breadth of the field.__________ m *
for one rectangle is 150 cm in circumference, divided along the width to be in shape and a smaller rectangular square. the area of the original rectangle. aware of the size measurements are natural numbers
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 rectangular board has a circumference eight times the width of the card. Calculate the area of the cardboard, knowing the length of the cardboard is 99 cm
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 rectangular garden is 25.04m long, the width is 3/4 of the length. Find the perimeter of the garden?
