Isosceles and Equilateral Triangles

Use the picture to answer the question.

• 30
• 60
• 15
• 120

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

Use the picture to answer the question.

• 76
• 28
• 152
• 56

Tags

CCSS.8.G.A.5

Use the picture to answer the question.

• 60
• 120
• 15
• 30

Tags

CCSS.HSG.CO.C.9

What is the value of x?

• x = 5
• x = 1
• x = 1/2
• x = 10

Tags

CCSS.HSG.CO.C.9

What is the measure of <ACD?

• 51º
• 121º
• 101º
• 39º

Tags

CCSS.7.G.B.5

What is the justification for step #2 in this proof?

• Alternate Exterior Angles
• Same-Side Interior Angles
• Alternate Interior Angles
• They just look cool

Tags

CCSS.HSG.SRT.B.5

What is the measure of <XZY?

• 48º
• 45º
• 42º
• 54º

Tags

CCSS.7.G.B.5

What does CPCTC stand for?

• Congruent parts of congruent triangles are congruent
• Corresponding parts of congruent triangles are congruent
• Corresponding parts of corresponding triangles are corresponding
• Corresponding parts of congruent triangles are Canadian.

Tags

CCSS.HSG.SRT.B.5

Which of the following statements are true?

• A scalene triangle has at least one obtuse angle
• External angles of a triangle have a sum of 180º
• An equilateral triangle is also isosceles
• A right triangle has two right angles.

Tags

CCSS.8.G.A.5