Circles
Triangles
100
What is the area of a circle with a radius of 7 centimeters? Use 3.14 for pi.
The answer is 153.86 square centimeters.
100
What is the perimeter of a equilateral triangle with a base of 4 in.
12 in.
200
What is the circumference of a circle with a radius of 5.75 meters? Use 3.14 for pi.
The answer is 18.055 square meters.
300
What is the formula to find the circumference of a circle?
C = pi x d
400
What is the formula for the area of a circle
A = pi x r squared
400
What is the area of of a triangle with a base of 3 feet and and a height of 1.5 feet.
2.25 sq. feet
500
What is the area and the circumference of a circle with a diameter of 3 inches? Round to the nearest tenth.
The area is 7.1 square inches and the circumference is 9.4 inches.