Isosceles Triangle Sum Theorem

Solve for x

• 30°

• 40°

• 50°

• 60°

Tags

CCSS.8.G.A.5

The sum of the angle measures of a triangle is 180° 
m∠A + m∠B + m∠C = 180°

• Triangle Sum Theorem

• Exterior Angle Theorem

• Third Angle Theorem

• Centroid Theorem

Tags

CCSS.8.G.A.5

Which would be the best classification for the triangle shown?

• acute isosceles

• obtuse scalene

• obtuse isosceles

• acute scalene

Tags

CCSS.4.G.A.2

solve for x.

• 50

• 40

• 37

• 52

Tags

CCSS.HSG.CO.C.10

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

Find the measure of the indicated angle.

Tags

CCSS.8.G.A.5

Find the value of k.

Tags

CCSS.8.G.A.5

Solve for x.

• 16

• 11

• 50

• 6

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 measure of BC?

• 12

• 6

• 9

• 10

Tags

CCSS.HSG.CO.C.10