Isosceles Triangle and Equilateral Triangle Sum

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______. 

• 45°

• 90°

• 180°

• 360°

Tags

CCSS.8.G.A.5

Classify each triangle by its angles and sides.

• Acute, Isosceles

• Obtuse, Isosceles

• Right, Scalene

• Equiangular, Equilateral,

• Acute, Scalene

Tags

CCSS.4.G.A.2

Solve for x.

• 16

• 11

• 50

• 6

Tags

CCSS.8.G.A.5

solve for x.

• 50

• 40

• 37

• 52

Tags

CCSS.HSG.CO.C.11

Tags

Exterior Angle Theorem

Find the value of x

• 41

• 45

• 31

• 98

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

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

Find x

• 3

• 4

• 2

• 10

Tags

CCSS.HSG.CO.C.11

Find x

• 10

• 32

• 116

• 16

Tags

CCSS.8.G.A.5