Equilateral and Isosceles Triangles

Solve for the value of X.

X=_____

Use the picture to answer the question.

• 76

• 28

• 152

• 56

Find the value of x

• 6

• 12

• 2

• 72

• 40

• 70

• 80

• 100

• 75

• 30

• 150

Find the value of the base angle. 

• 30

• 120

• 60

• 180

• 130

• 115

• 65

• 50

What are the different parts of an isosceles triangle?

• leg, 2 vertex angles, 1 base, and 2 base angle

• leg, 2 vertex angles, 2 bases, and 1 base angle

• 2 legs, 1 vertex angle, 1 base, and 2 base angles

• 2 legs, 1 vertex angle, 2 bases, and 1 base angle

Find x.

• 72

• 67

• 65

• 54