Các câu hỏi tương tự
1: the perimeter of a circle is 15,7 dm. Its's area is...cm2
2: 47/250 dm3=...cm3
the perimeter of a square is 80 cm .what is the the area of this square
Find the area of a circle with a radius of 2cm.
Answer: The area of a circle is: ............
the area of a rectangle is 7232 cm2.the area of a circle is 5346 cm2. the sum of area of this rectangle and this circle is...dm2
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?
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):))))
The area of a rectangle is 50m2. If it's length is increased by 10% and it's width is decreased by 20% then the area of new rectangle is ...............m2.
The area of a rectangle is 50m2. If it's length is increased by 10% and it's width is decreased by 20% then the area of new rectangle is ...............m2.
The area of a rectangle is 50 m vuong . If it's length is increased by 10%and it's width is decreased by 20% then the area of new rectangle is ?