Equilateral and Isosceles Triangles

• 72
• 67
• 65
• 54

Find x.

• 180
• 57
• 61.5
• 32.7

Use the picture to answer the question.

• 76
• 28
• 152
• 56

If an Isosceles triangle has two angles that are 76°. Then what is the measure of the vertex angle?

• 39°
• 28°
• 180°
• 152°

Find the measure of the indicated angle. 

• 145 degrees
• 24 degrees
• 20 degrees 
• 21 degrees

Use the picture to answer the question.

• 30
• 60
• 15
• 120

Which would be the best classification for the triangle shown?

• acute isosceles
• right scalene
• acute scalene
• obtuse scalene

Which would be the best classification for the triangle shown?

• acute isosceles
• equiangular scalene
• equiangular isosceles
• equiangular equilateral

Which would be the best classification for the triangle shown?

• acute isosceles
• obtuse scalene
• obtuse isosceles
• acute scalene

What is the value of x?

• 75
• 80
• 63
• 60