Circles, chords, arc lengths, and inscribed angles

Find the area of the circle

• 43.96
• 153.86
• 87.82
• 307.72

Tags

CCSS.7.G.B.4

what is the area of a circle with the diameter of 10cm ?

• 66cm
• 78.5cm
• 66.5cm
• 10m

Tags

CCSS.7.G.B.4

what is the circumference of this circle ?

• 3.14 cm 
• 37.68 cm
• 24 cm
• 68.4 cm

Tags

CCSS.HSG.GMD.A.1

If my radius is 10ft, what is my diameter?

• 20ft
• 5ft
• 31.4ft
• 62.8ft

Tags

CCSS.7.G.B.4

Find the arc length

• 5.5

• 11

• 0.4

• 141.4

Find the length of the bold arc.

• 17869.4 ft

• 49.6 ft

• 472.5 ft

• 54,150 ft

A ____ angle is an angle whose vertex is a the center of a circle.

• supplementary
• complimentary
• central
• obtuse

Tags

CCSS.HSG.C.A.2

What is m∠ACB?

• 67.5°
• 90°
• 22.5°
• 45°

Tags

CCSS.HSG.C.A.2

What is x?

• 15

• 23

• 2

• 92

Tags

CCSS.HSG.C.A.2

Find the area of each sector.

• 6.4 m²

• 7.9 m²

• 9.8 m²

• 11.8 m²

Tags

CCSS.HSG.C.B.5