Geometry A 4.1 Sum of Exterior and Interior of Polygons

What is the sum of the interior angles of a dodecagon (12 sides)?

• 2160°

• 1500°

• 2500°

• 1800°

What is the sum of the interior angles of a 20-gon?

• 2160°

• 3240°

• 2500°

• 1800°

What is the sum of the interior angles of a 49-gon?

• 8600°

• 8720°

• 8460°

• 1800°

What is the correct value of x?

• 48

• 52

• 120

• 90

What is the m∠K?

• 48

• 52

• 62

• 90

What is the correct value of x?

• 64

• 82

• 58

• 74

What is the m∠D?

• 64

• 82

• 58

• 74

What is the m∠C?

• 64

• 128

• 58

• 74

What is the correct value of x?

• 70

• 71

• 74

• 65

What is the correct value of x?

• x = 34

• x = 93

• x = 75

• x = 65