Polygons_Arc_Length_Inscribed_<'s_Inscribed_Quads_Chords_Arcs

What is the sum of interior angles for a pentagon?

• 900

• 540

• 360

• 108

What is the sum of interior angles for a 27-gon?

• 4860

• 4500

• 3700

• 2700

If an exterior angle of a regular polygon has a measure of 36 degrees, how many sides does it have?

• 10

• 3

• 7

• 11

If an interior angle of a regular polygon has a measure of 120 degrees, how many sides does it have?

• 6

• 12

• 5

• 8

Solve for x

• 94

• 25

• 36

• 180

Find the length of the arc.

• 31.4cm

• 15.71cm

• 23.56cm

Answer explanation

120 ÷ 360 × 2 × π × 15

31.39999999

31.4

Find the length of the bold arc.

• 5688π ft

• 49.7 ft

• 54,150 ft

Answer explanation

150 ÷ 360 × 2 × π × 19

49.71666657

49.7

What is the measure of the arc in bold?

Find the length of the arc

• 125.7 cm

• 28.8 cm

• 36.9 cm

Find the length of the arc

• 9.4 cm

• 4.9 cm

• 18.8 cm