Which of the following statements are true?

An equilateral triangle is also isosceles

A scalene triangle has at least one obtuse angle

External angles of a triangle have a sum of 180º

A right triangle has two right angles.

Isosceles & Equilateral

Quiz

•

Mathematics

•

10th - 11th Grade

•

Practice Problem

•

Hard

•

CCSS

8.G.A.5, 4.G.A.2, HSG.CO.C.9

+6

Standards-aligned

Barbara White

FREE Resource

40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the value of the missing angle?

61

50

60

69

Tags

CCSS.8.G.A.5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which angle is the vertex angle?

<C

<A

<B

Tags

CCSS.HSG.CO.C.10

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find x.

180

57

61.5

32.7

Tags

CCSS.8.G.A.5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A

B

C

D

Tags

CCSS.HSG.CO.C.9

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A

B

C

D

Tags

CCSS.8.G.A.5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What type of triangle is this?

Equilateral

Isosceles

Scalene

Obtuse

Tags

CCSS.4.G.A.2

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Isosceles & Equilateral

40 questions

What is the value of the missing angle?

Which angle is the vertex angle?

Find x.

What does CPCTC stand for?

What type of triangle is this?

If two sides of a triangle are congruent, then the _________________ opposite those sides are congruent.

What do the angles in an equilateral triangle measure?

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