1.2 Area of circles and sectors

What does "circumference" mean?

• Space a circle takes up
• Distance around a circle
• Line from one side of a circle to another
• Line from center of circle to side

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GMD.A.1

What is the area of this circle?

• 6082.12
• 1519.76
• 1893.14
• 1292.92

Tags

CCSS.7.G.B.4

What is the circumference of a circle with a diameter of 40 in? 

• 125.6 in
• 35.17 in
• 28.67 in
• 47.17 in

Tags

CCSS.7.G.B.4

What is the radius of this circle?

• 18
• 10
• 9
• 8

Tags

CCSS.7.G.B.4

Find the area of the circle

• 56.52
• 254.34
• 1017.36
• 113.04

Tags

CCSS.7.G.B.4

Find the diameter of the circle
given an area of 64π cm²

• 16 cm
• 14 cm
• 8 cm
• 22 cm

Tags

CCSS.7.G.B.4

Find the radius of the circle
given an area of 16π mi²

• 2 mi
• 3 mi
• 5 mi
• 4 mi

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