CPCTC to Solve Sides and Angles

Classify the triangle shown in the picture by its angles.

• Obtuse

• Right

• Acute

• Equilateral

Classify the triangle shown in the picture by its angles.

• Isosceles

• Obtuse

• Acute

• Right

Classify the triangle shown in the picture by its sides.

• Equilateral

• Scalene

• Obtuse

• Isosceles

Classify the triangle shown in the picture by its sides.

• Isosceles

• Obtuse

• Equilateral

• Scalene

Solve for x

• x = 12

• x = 4

• x = 3.33

• x = 10

Find the measure of Angle A.

Use the Exterior Angle Theorem to find the value of x.

• 117

• 94

• 149

• 31

Find the value of x.

• x = 27

• x = 53

• x = 49

• x = -16

• 71

• 98

• 109

• 82

• 30

• 45

• 60

• 90