Equilateral and Isosceles Triangles Assessment

What is the measurement of ∠J and ∠K in the isosceles triangle?

• ∠J = 68°, ∠K = 136°

• ∠J = 68°, ∠K = 44°

• ∠J = 67°, ∠K = 77°

• ∠J = 44°, ∠K = 68°

Tags

CCSS.8.G.A.5

What is the measurement of YZ and the measurement of angle Y in the isosceles triangle?

• YZ = 12 cm, ∠Y = 77°

• YZ = 6 cm, ∠Y = 144°

• YZ = 12 cm, ∠Y = 26°

• YZ = 12 cm, ∠Y = 45°

Tags

CCSS.HSG.CO.C.10

What is the measurement of ∠C and the measurement of BC and AC in the equilateral triangle?

• ∠C = 50°, BC = 8, AC = 8

• ∠C = 90°, BC = 5, AC = 7

• ∠C = 60°, BC = 9, AC = 12

• ∠C = 60°, BC = 9, AC = 9

Tags

CCSS.HSG.CO.C.11

What is the value of x in the equilateral triangle?

Tags

CCSS.HSG.CO.C.11

What is the value of x of the isosceles triangle?

Tags

CCSS.8.G.A.5

What is a triangle with at least two congruent sides called?

• Scalene

• Isosceles

• Right

• Equilateral

Tags

CCSS.4.G.A.2

What are the two congruent sides of an isosceles triangle called?

• base

• legs

• hypotenuse

• equilateral

Tags

CCSS.HSG.CO.C.10

CCSS.HSG.SRT.B.4

What is the value of x of the equilateral triangle?

• 30°

• 50°

• 60°

• 90°

Tags

CCSS.HSG.CO.C.11

Which sides are congruent in the isosceles triangle?

• AB and AC

• AB and BC

• AC and BC

• ABC and ACB

Tags

CCSS.8.G.A.2

What is the measurement of ∠A in the isosceles triangle?

Tags

CCSS.8.G.A.5