Geometry - Circles

Find the circumference of the circle in the image.

• 10π

• 20π

• 100π

• 20

Tags

CCSS.7.G.B.4

What is the area of the circle in the image?

• 9π

• 12π

• 12

• 36π

Tags

CCSS.7.G.B.4

A circle as a circumference of 36π meters. What is the radius of the circle?

• 36 meters

• 6 meters

• 12 meters

• 18 meters

Tags

CCSS.7.G.B.4

A circle has an area of 36π. What is the circumference of the circle?

• 18π

• 12π

• 6π

• 36π

Tags

CCSS.7.G.B.4

A rose garden is circular. The diameter of the garden is 18 feet. What is the area of the garden?

• 9π square feet

• 36π square feet

• 81π square feet

• 324π square feet

Tags

CCSS.7.G.B.4

A circular swimming pool has a radius of 15 feet. The family that owns the swimming pool wants to put up a circular fence that is 5 feet away from the pool at all points. What is the circumference of the fence they will need? Hint: Draw what you know.

• 15π

• 20π

• 40π

• 30π

Tags

CCSS.7.G.B.4

Find the length of the 45 degree arc.

• $\frac{7\pi}{4}$

• $\frac{7\pi}{2}$

• $\frac{\pi}{8}$

• 45π

Tags

CCSS.HSG.C.B.5

Find the area of the 60 degree sector.

•  $\frac{50\pi}{3}$   $in^2$  

•  $\frac{100\pi}{3}\ in^2$  

•  $\frac{25\pi}{3}\ in^2$  

•  $\frac{10\pi}{3}\ in^2$  

Tags

CCSS.HSG.C.B.5

What is the area of sector​ GPH?

• 9π yd²

• 32π yd²

• 18π yd²

• 6π yd²

Tags

CCSS.HSG.C.B.5

In a​ circle, a 90° sector has area 64π in². What is the radius of the​ circle?

• 16 in

• 32 in

• 64 in

• 128 in

Tags

CCSS.HSG.C.B.5