Area of Circle Problems - page 3 of 20
Number of problems found: 388
- Area of a circle
The circumference of the circle is 150.72 centimeters. Calculate the area of the circle. - Circle diameter
What is the diameter of a circle with an area of 35 cm square? - Radius
Determine the circle's radius if its perimeter and area are the same numbers. - Diameter
The diameter of a circular plot is 14 dm. Find the circumference and area. - Sprinkler irrigation area
The rotary sprinkler has a spray of 18m. How much land can it irrigate from one place? - Baking a cake
Christy is baking a cake that has a 9-inch diameter. She wants to cover the top of the cake with buttercream icing. How much icing will she need? - The ratio
The ratio of the lengths of the two circles is 5:2. Find the ratio of a a) the radii of these circles b) the areas for these circles - Circle diameter calculation
Calculate the diameter of a circle whose area S = 78.5 cm². - Circle Area from Square
The circle has the same area as the square, whose circumference is 400m. Calculate the diameter of the circle. - Circle area
Find the area of the circle that is a) inscribed, b) described 6.32 cm square. - Circle area
Calculate the area of a circle that has a circumference of 314 cm. - Round tablecloth area
We cut out the largest possible round tablecloth from a square fabric of 150x150 cm. After setting, it hung around 20 cm everywhere. What is the area of the round tabletop? - Circle diameter ratio
You know the ratio of the circumference of the circle to the area is 4:9. What is the circle's diameter? - Right triangle
A circle with a radius of 5 cm is described in a right triangle with a 6 cm leg. What is the height at the hypotenuse of this triangle? - Area to perimeter
Calculate the circle circumference if its area is 254.34cm2 - Cutting square
We cut the circle with the highest possible diameter from a square with a side of 30 cm. How many percent of the square area is this circle? - Circle radius
Calculate the circle's radius if the circumference and area are in a 2:5 ratio. - The star
Find the area of the shaded part of the square with a side of 22 cm. - CD disc
A compact disc has a diameter of 11.8 cm. What is its surface area in square centimeters? - Circle area
Calculate the area of the circle, which is described by a square with a side length of 7.5 cm.
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