Circle Area and Circumference Flashcard

Front

Back

Front

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

Back

The radius is half of the diameter. Therefore, if the diameter is 10 cm, the radius is 5 cm.

Front

Back

Front

Back

Front

What is the sum of the interior angles of a triangle?

Back

The sum of the interior angles of a triangle is 180 degrees.

Front

If one angle of a triangle is 90 degrees and the second angle is 45 degrees, what is the measure of the third angle?

Back

The third angle is also 45 degrees.

Front

What is the relationship between diameter and radius?

Back

Front

How do you find the radius if you know the circumference?

Back

Front

Back

Front

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

Back