Proving Congruent Triangles

Classify the triangle by its sides

• equilateral
• isosceles
• scalene

Tags

CCSS.4.G.A.2

A triangle has angle measures of 
m<A = 2x +10
m<B = 5x - 3
m<C = 3x - 7
Find x.

• 85
• 36.6
• 62.3
• 18

Tags

CCSS.8.G.A.5

Can the triangles be proven congruent?  If so, how?

• ASA
• AAS
• SAS
• Cannot be proven congruent

Tags

CCSS.HSG.SRT.B.5

What is the measure of the missing angle?

• 20
• 47
• 29
• 16

Tags

CCSS.8.G.A.5

Can the triangles be proven congruent?  If so, how?

• ASA
• AAS
• SAS
• Cannot be proven congruent

Tags

CCSS.HSG.SRT.B.5

Can the triangles be proven congruent?  If so, how?

• ASA
• AAS
• SAS
• Cannot be proven congruent

Tags

CCSS.HSG.SRT.B.5

What missing piece of information is needed to prove the triangles congruent using ASA?

• GC = CD
• CE = CD
• ∠GCE≅∠BCE
• BD = GE

Tags

CCSS.HSG.SRT.B.5

What missing piece of information is needed to prove the triangles congruent using SAS?

• NM = AM
• NL = CA
• ∠M≅∠B
• ∠N≅∠C

Tags

CCSS.HSG.SRT.B.5

How many angles and how many sides are marked congruent?

• 2 angles, 1 side
• 0 angles, 3 sides
• 1 angle, 2 sides
• 3 angles, 0 sides

Tags

CCSS.HSG.CO.B.7

Are these triangles congruent?

• Yes
• No
• Not enough informaiton

Tags

CCSS.HSG.SRT.B.5