Area of Circles
The radius of a circle is 5. What is its area? (round to the nearest tenth)
78.5
The area of a square is 7.5 feet. What is its area?
56.3
The side of a cube is 8 feet. What is its volume?
512
25.12 in.
If a=9 and c=15,
what is b=?
b=12
The base of a cylinder is 15 square meters and its height is 6 meters. What is its volume?
90
The radius of a circle is 17. What is its area? (round to the nearest tenth)
106.8
The base of a triangle is 8 feet and the height is 17 feet. What is its area? (round to the nearest tenth)
68
The length of a rectangular prism is 8, the width is 19, and the height is 32. What is its volume?
4864
The circle has a diameter of 12 in. What is its circumference? (Use 3.14 and round to the nearest tenth.)
37.7 in.
If a square has a side of 14 m, what does its diagonal measure? (round to the nearest tenth.)
c = 19.8 m
The base of a cone is 32 square inches and its height is 12 inches. What is its volume?
128
The diameter of a circle is 21. What is its area? (round to the nearest tenth)
346.4
A rectangle has a width of 10.5 cm and a length of 17.3 cm. What is its area? (round to the nearest tenth)
181.7
The length of a rectangular pyramid is 8, the width is 19, and the height is 32. What is its volume?
1,621.3
The circle has a radius of 9 cm. What is the length of 5 circumferences? (Use 3.14 and round to the nearest tenth.)
282.6 cm
Two sides of a right triangle are 8 and 12, what is its hypotenuse? (round to the nearest tenth)
hypotenuse = 14.4
The radius of a sphere is 3 cm. What is its volume?
113.0
The radius of a circle is 25. What is half its area? (round to the nearest tenth)
981.8
A square has a side that measures 18.4 ft. What is its area of 3 congruent squares? (round to the nearest tenth)
1,015.7 feet
The volume of rectangular prism is 72 cubic meters. The width of the base is 2 and the length of the base is 3. What is its height?
12 m
The circle has a circumference of 20 km. What is its diameter? (Use 3.14 and round to the nearest tenth.)
6.4 km
A baseball diamond is a square that is 90 feet on each side. What is the distance a catcher has to throw the ball from home to second base?
127.3 feet
The radius of a cylinder is 6 cm and its height is 4 cm. What is its volume?
452.2
The diameter of a circle is 30. What is half its area? (round to the nearest tenth)
353.4
The base of trapezoid is 12 inches, the second base is 19 inches, and the height is 7 inches. What is its area? (round to the nearest tenth)
108.5
The volume of square pyramid is 640 cubic meters. The height measures 10 m. What is the length of the side of the base?
8 m
The circle has a circumference of 48 km. What is its radius? (Use 3.14 and round to the nearest tenth.)
7.6 km
How far from the base of the house do you need to place a 15-foot ladder so that it exactly reaches the top of a 12- foot tall wall?
9 feet
The radius of a cone is 9 cm and its height is 5 cm. What is its volume?
423.9