Đổi 0.24km = 240m
Chiều rộng hình chữ nhật là: 240 : 3 = 80 (m)
Chiều dài hình chữ nhật là: 80 x 2 = 160 (m)
Diện tích hình chữ nhật là: 80 x 160 = 12800 (m2)
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half of the perimeter ò a ractangular school yard í 0.24km The width is 1/2 ò the length Find the area of the yard in quare meters?
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.
A rectangular garden is 25.04m long, the width is 3/4 of the length. Find the perimeter of the garden?
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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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
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
the perimeter of a square is 80 cm .what is the the area of this square
