Geometry Unit 1 Foundations Review

Front

What is the formula for the circumference of a circle?

Back

C = 2πr, where C is the circumference and r is the radius.

Front

If the circumference of a circle is 22π ft, what is the radius?

Back

11 ft

Front

What is the distance formula for two points (x1, y1) and (x2, y2)?

Back

d = √((x2 - x1)² + (y2 - y1)²)

Front

Find the distance between (-5, -8) and (-1, -16).

Back

8.9

Front

What is the formula for the area of a rectangle?

Back

A = length × width

Front

What is the area of a rectangle with length 3 cm and width 5 cm?

Back

15 sq cm

Front

What is the formula for the area of a triangle?

Back

A = 1/2 × base × height

Front

What is the area of a triangle with base 4 cm and height 5 cm?

Back

10 sq cm

Front

What is the formula for the area of a circle?

Back

A = πr², where A is the area and r is the radius.

Front

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

Back

28.27 sq ft (approximately)