Triangle Proofs Review

Determine whether or not the triangles are similar. If they are similar, prove it. If they are not, explain (and show all necessary work).

• The triangles are similar by AA criterion.

• The triangles are similar by SAS criterion.

• The triangles are not similar.

• The triangles are similar by SSS criterion.

Tags

CCSS.HSG.SRT.B.5

Solve for the unknown values in each diagram.

• Option A: x = 11.11, y = 5

• Option B: x = 11.11, y = 4.29

• Option C: x = 4.29, y = 9

• Option D: x = 11, y = 22

Tags

CCSS.HSG.CO.C.9

Which of the following statements proves that the two triangles below are similar?

• The triangles have two equal angles.

• The triangles have proportional sides.

• The triangles have equal perimeters.

• The triangles have equal areas.

Tags

CCSS.HSG.SRT.A.2

Which theorem would you use to solve for the given angle?

• Exterior Angle Theorem

• Triangle Sum Theorem

• Supplementary

• Complementary

Tags

CCSS.8.G.A.5

Solve for x. Justify.

• x = 126

• x = 112

• x = 118

• x = 58

Tags

CCSS.8.G.A.5

What is it called when two angles are on the same line and add up to 180 degrees?

Tags

CCSS.7.G.B.5

Prove the two triangles are congruent. Work Left to Right and Top to bottom. Make sure to label the bubble.

Example Write: Top left Bubble: ____ is congruent to ____ because ___

Tags

CCSS.HSG.SRT.B.5

What is the top left bubbles and their reason?

Example Write: Measure of ____ equals ___ and measure of ____ equals _____ because ___

Hint: Use the small sides first.

Tags

CCSS.HSG.SRT.A.2

What is the top middle bubbles and their reason?

Example Write: Measure of ____ equals ___ and measure of ____ equals _____ because ___

Hint: Use the larger sides.

Tags

CCSS.HSG.SRT.B.5

What is the top right bubbles and their reason?

Example Write: Measure of ____ equals ___ and measure of ____ equals _____ because ___

Tags

CCSS.HSG.SRT.B.5