Angle Relationships and Circumference Review

What type of angles are these?

• Adjacent Angles

• Linear Pair

• Complementary Angles

• Supplementary Angles

• Vertical Angles

• x = 118

• x = 108

• x = 28

• x = 58

• x = 62

∠7 and ∠8 are _______________

• Vertical

• Nothing

• Adjacent

• Supplementary

What angle is vertical to angle 2?

• ∠4

• ∠1

• ∠2

• ∠5

Vertical angles are always

• acute
• total 180 degrees
• congruent (equal measures)
• adjacent angles

What is the distance around a circle?

• Circumference
• Area
• Diameter
• Radius

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

What is the radius of this circle?

• 18in
• 36in
• 9in
• 8in

A ball has a circumference of 9.42 cm. Use 3.14 for π. What is the diameter?

• 29.5788 cm

• 59.1576 cm

• 3 cm

• 1.5 cm

Find the circumference. The formula for circumference is 2πr or πd. Use 3.14 for π.

• 21.98 cm

• 35.62 cm

• 43.96 cm

• 49 cm