Quiz about Classifying Triangles

Question 1

Look at the sides of this triangle. What type of triangle is this?

Accepted Answer

scalene

Answer

acute

Answer

equilateral

Answer

isosceles

Question 2

Look at the sides of this triangle. What type of triangle is this?

Accepted Answer

Isosceles

Answer

Equilateral

Answer

Scalene

Answer

Obtuse

Question 3

What type of triangle is shown?

Accepted Answer

Equilateral

Answer

Isosceles

Answer

Right-angled

Answer

Scalene

Question 4

In an ______________ triangle, all three angles are less than 90 degrees.

Accepted Answer

acute

Answer

right

Answer

obtuse

Answer

360 degrees

Question 5

In a ____________ triangle one angle is exactly 90 degrees.

Accepted Answer

right

Answer

acute

Answer

obtuse

Answer

360 degrees

Question 6

In an ___________ triangle one angle is greater than 90 degrees.

Accepted Answer

obtuse

Answer

acute

Answer

right

Answer

360 degrees

Question 7

What kind of triangle is this? Name it for its angles.

Accepted Answer

acute

Answer

obtuse

Answer

right

Question 8

What kind of triangle is this?

Accepted Answer

right

Answer

acute

Answer

obtuse

Answer

360 degrees

Question 9

What kind of triangle is this?

Accepted Answer

obtuse

Answer

acute

Answer

right

Answer

360 degrees

Question 10

Look at the sides and angles of this triangle. Which type of triangle is pictured?

Accepted Answer

Right Isosceles Triangle

Answer

Equilateral Triangle

Answer

Obtuse Scalene Triangle

Answer

Obtuse Equilateral Triangle

Question 11

If a triangle has all three angles equivalent and all three sides equivalent, what type of triangle is it?

Accepted Answer

Equilateral

Answer

Acute Isosceles

Answer

Obtuse Scalene

Answer

Obtuse Isosceles

Question 12

Triangles can be classified by what two things?

Accepted Answer

Congruent Sides

Accepted Answer

Angles

Answer

Side length

Answer

Number of Vertices

Question 13

Which type of triangle is pictured?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 14

Which type of triangle is pictured?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 15

Which type of triangle is pictured?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 16

Which type of triangle is pictured?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 17

Which type of triangle is pictured?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 18

Which type of triangle is pictured?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 19

Solve for x, then find the lengths of AB and BC.

Accepted Answer

AB = 11 and BC = 22

Answer

AB = 11 and BC = 17

Answer

AB = 11 and BC = 27

Answer

AB = 11 and BC = 21

Question 20

Solve for x, then find the lengths of AB and AC.

Accepted Answer

AB = 60 and AC = 78

Answer

AB = 78 and AC = 60

Answer

AB = 66 and AC = 78

Answer

AB = 72 and AC = 78

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