Unit 10 assessment

Front

What is the term for the total length around a circle?

Back

Circumference

Tags

CCSS.7.G.B.4

Front

What is the distance from the center to the edge of the circle called?

Back

Radius

Front

What do you call the point that is equidistant from all points on the circle?

Back

Center

Front

What is the line segment that passes through the center of the circle and has its endpoints on the circle?

Back

Diameter

Front

What is the distance from the center of the circle to any point on its edge?

Back

Radius

Front

What is the formula to calculate the circumference of a circle?

Back

C = 2πr or C = πd, where r is the radius and d is the diameter.

Tags

CCSS.7.G.B.4

Front

What is the relationship between the diameter and radius of a circle?

Back

The diameter is twice the radius (d = 2r).

Tags

CCSS.7.G.B.4

Front

If the radius of a circle is 5 cm, what is the circumference?

Back

C = 2π(5) = 10π cm.

Tags

CCSS.7.G.B.4

Front

What is the area of a circle with a radius of 3 cm?

Back

A = πr² = π(3)² = 9π cm².

Tags

CCSS.7.G.B.4

Front

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

Back

r = C / (2π).

Tags

CCSS.7.G.B.4