Area and Circumference of a circle quiz

The circumference of a circle is $36\pi$  units, what is the radius ?

• 19 units

• 13 units

• 36 units

• 18 units

Tags

CCSS.7.G.B.4

A circle pool has a radius of 7.5 ft. Monica wants to know how many ft of a pool cover she needs to buy?

• 23.55 ft²
• 176.63 ft²
• 47.1 ft²
• 706.5 ft²

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

Find the area of the shaded sector of circle O.  The radius is 6 inches and the central angle is 100°.  Express answer to the nearest tenth of a square inch.

• 9.2 sq. in.
• 10.5 sq. in.
• 31.4 sq. in.
• 38.2 sq. in.

Tags

CCSS.HSG.C.B.5

FIND THE AREA OF THE SECTOR OUTLINED IN BOLD

• A
• B
• C
• D

Tags

CCSS.HSG.C.B.5

Find the arc length. Leave your answer in terms of π.

• 7/4π cm

• 7/2π cm

• 1/8π cm

• 45π cm

Tags

CCSS.HSG.C.B.5

What is the area of sector​ GPH?

(a)  

Tags

CCSS.HSG.C.B.5

Alison is jogging on a circular track that has a radius of 140 feet. She runs along the track from point R to point N, a distance of 230 feet. Find to the nearest degree, the measure of minor arc RN.

• 47^o

• 74^o

• 94⁰

• 123⁰

Tags

CCSS.HSG.C.B.5

Which angles are congruent?

• <ACB = <ADB
• <ADB=<AEB
• <AEB=<ACB
• <ACB = <ADB = <AEB

Tags

CCSS.HSG.C.A.2

If a  quadrilateral is inscribed in a circle, then its ____angles are _____.

• adjacent; complimentary
• opposite; complimentary
• adjacent; supplementary
• opposite; supplementary

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.3