Area and Circumference of a Circle

Front

What is the formula for the area of a circle?

Back

Front

What is the formula for the circumference of a circle?

Back

Front

What is the relationship between diameter and radius?

Back

Front

If the radius of a circle is 10 cm, what is the diameter?

Back

Front

If the diameter of a circle is 30 m, what is the radius?

Back

Front

What is the circumference of a circle with a radius of 7 inches?

Back

Front

What is the area of a circle with a radius of 5 feet?

Back

Front

What is the circumference of a circle with a diameter of 12 cm?

Back

Front

If a circle has an area of 50 square meters, what is the radius?

Back

The radius is approximately 3.99 meters, calculated using the area formula: @@A = ext{π} imes r^2 ightarrow r = rac{A}{ ext{π}} = rac{50}{3.14} ightarrow r ext{ is approximately } 3.99 m@@.

Front

What is the area of a circle with a diameter of 8 inches?

Back