Equilateral and Isosceles Triangles

Which would be the best classification for the triangle shown?

• acute isosceles

• equiangular scalene

• equiangular isosceles

• equiangular equilateral

What is the value of x?

• 51

• 49

• 78

Which would be the best classification for the triangle shown?

• acute isosceles

• obtuse scalene

• obtuse isosceles

• acute scalene

Which would be the best classification for the triangle shown?

• right isosceles

• obtuse scalene

• obtuse isosceles

• right scalene

What is the value of x?

• 60

• 5

• 10

• -3

What is the value of x?

• 30

• 45

• 47

• 50

Which angle is the vertex angle?

• <C

• <A

• <B

What is the measure of angle 2?

• 50

• 65

• 115

What is the value of the missing angle?

• 61

• 50

• 60

• 69

What is the measure of BC?

• 12

• 6

• 9

• 10