Area of Circles

What is/are the formula(s) to find the area of a circle?

• πr²
• 2πr
• √π

Tags

CCSS.HSG.GMD.A.1

Which segment is a radius?

• LM
• DC
• BD
• ML

Tags

CCSS.HSG.C.A.2

Which segment is the diameter?

• AC
• BD
• LM
• CE

Tags

CCSS.HSG.C.A.2

Does this picture show the diameter or radius of a circle?

• Diameter

• Radius

Tags

CCSS.5.G.B.3

CCSS.5.G.B.4

Does this picture show the diameter or radius of a circle?

• Diameter
• Radius

Tags

CCSS.7.G.B.4

What is the diameter of this circle?

• 3.5
• 3
• 5
• 7

Tags

CCSS.7.G.B.4

What is the radius of this circle?

• 12cm
• 6cm
• 24cm
• 3cm

Tags

CCSS.HSG.C.A.2

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

• 20ft
• 5ft
• 31.4ft
• 62.8ft

Tags

CCSS.4.MD.A.1

CCSS.4.MD.A.2

If my diameter is 19 inches, what is my radius?

• 38 inches
• 9.5 inches
• 59.66 inches
• 119.32 inches

Tags

CCSS.HSG.GPE.A.1

Find the area of the circle

• 56.52
• 254.34
• 1017.36
• 113.04

Tags

CCSS.HSG.GMD.A.1