Prove Isosceles Triangle

Which of the following is a correct statement and reason for the proof shown?

Tags

CCSS.HSG.SRT.B.5

For isosceles triangles, when we are given that two sides are congruent we can prove that ______________________.

• two angles are congruent

• the third side is congruent

• three angles are congruent

• no other relationships exist

Tags

CCSS.8.G.A.2

Fill in statement #4.

Tags

CCSS.HSG.SRT.B.5

When we are given two angles of a triangle are congruent, we can prove ____________________.

• three sides are congruent

• two sides are congruent

• three angles are congruent

• no other relationships exist

Tags

CCSS.8.G.A.5

In order to prove relationships in an isosceles triangle, we must __________________________.

• use AAS to prove it is congruent to another triangle

• split the triangle into one acute and one obtuse triangle

• divide the triangle into two right triangles

• use two angle bisectors

Tags

CCSS.HSG.CO.C.9

Fill in statement #3.

Tags

CCSS.HSG.SRT.B.5

Fill in reason .

• Symmetric Property

• CPCTC

• Transitive Property

• Reflexive Property

Tags

CCSS.HSG.SRT.B.5

Fill in reason #4.

• ASA

• HL

• SSA

• SAS

Tags

CCSS.HSG.SRT.B.5

Fill in reason .

• Prove

• Base angles of an isosceles triangle are congruent.

• CPCTC

• definition of angle bisector

Tags

CCSS.HSG.SRT.B.5

• 56

• 62

• 68

• 112

Tags

CCSS.8.G.A.5