Equilateral and Isosceles Triangles Practice

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.

• 90^o

• equal measures.

• 60°.

Tags

CCSS.4.G.A.2

What type of triangle is this?

• Equilateral
• Isosceles
• Scalene
• Obtuse

Tags

CCSS.4.G.A.2

Which segment is the base?

• Segment AB
• Segment BC
• Segment AC

Tags

CCSS.7.G.A.2

Which angle is the vertex angle?

• <C
• <A
• <B

Tags

CCSS.7.G.B.5

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

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

What is the value of the missing angle?

• 61
• 50
• 60
• 69

Tags

CCSS.8.G.A.5

What is the measure of BC?

• 12

• 6

• 9

• 10

Tags

CCSS.HSG.CO.C.10

What is the measure of ∠T?

• 45

• 30

• 60

• 180

Tags

CCSS.8.G.A.5