Isosceles Triangles

If two sides of a triangle are congruent, then the _________________ opposite those sides are congruent.

• sides
• vertices
• angles
• measures

Tags

CCSS.HSG.CO.C.10

Find the value of x.

• 1

• 4

• 5

• 8

Tags

CCSS.8.G.A.5

Find x

• 60
• 48
• 30
• 28

Tags

CCSS.8.G.A.5

Find the value of y. 

• y=2
• y=18
• y=8.22
• y=9.33

Tags

CCSS.8.G.A.5

Find the value of the base angle. 

• 30
• 120
• 60
• 180

Tags

CCSS.8.G.A.5

What is the value of the missing angle?

• 61
• 50
• 60
• 69

Tags

CCSS.8.G.A.5

What is the value of x?

• 10
• 5
• -12
• 9

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

If an isosceles triangle has a base angle measuring 40°, then what measure is the vertex angle?

• 120°
• 100°
• 40°
• 80°

Tags

CCSS.8.G.A.5

What do the angles in an equilateral triangle measure?

• 30, 60, 90
• 60, 60, 60
• 45, 45, 90
• 35, 55, 90

Tags

CCSS.8.G.A.5

The sides of an equilateral triangle have...

• different measures.
• Febtober.
• equal measures.
• 60°.

Tags

CCSS.4.G.A.2