7.1 Day 1 Circle Facts

If the area of a circle is 77 π in² , then the diameter, rounded to the nearest tenth, is?

• 77 in

• 38.5 in

• 17.5 in

• 8.8 in

Tags

CCSS.7.G.B.4

If the circumference of a circle is 22 π ft, what is the radius?

• 22 ft
• 11ft
• π ft
• no ft

Tags

CCSS.7.G.B.4

The _____ is the distance from the center to any point on the circle.

• diameter
• radius
• π
• center

The distance across a circle through its center is called the _____.

• diameter
• radius
• π
• center

Which segment is the diameter?

• AC
• BD
• LM
• CE

Which segment is a radius?

• LM
• DC
• BD
• ML

What is the exact area of this circle?

• 144πcm^2

• 113.1cm^2

• 12πcm^2

• 36πcm^2

Tags

CCSS.7.G.B.4

What is the part of the circle highlighted in red called?

• semi-circle arc
• major arc
• minor arc
• sector

What is the part of the circle highlighted in red called?

• semi-circle arc
• major arc
• minor arc
• sector

An angle whose vertex is the center of a circle

• central angle
• inscribed angle
• minor arc
• major arc

Tags

CCSS.HSG.C.A.2