Types of Triangles

An acute triangle is made up of all acute angles.

A right triangle has one right angle.

An obtuse triangle has one obtuse angle.

An equilateral triangle has 3 equal sides.

3 3

37 7

7

5

5

5

An isosceles triangle has 2 equal sides.

9 9

5

5

5

212 12

6

A scalene triangle has 0 equal sides.

6

8

12

9

2

8

3

7

5

is a ________.

a. Equilateralb. Isoscelesc. Scalene

4

4

4

is a/an ______ triangle.

a.Acuteb.Rightc.obtuse

is a ________.

a. Equilateralb. Isoscelesc. Scalene

7

3

5

is a _________.

a. Equilateralb. Isoscelesc. Scalene

8 8

4

is a/an ___________ triangle.

a. Acuteb. Rightc. Obtuse

is a ________.

a. Equilateralb. Isoscelesc. Scalene

2

7

9

is a ________.

a. Equilateralb. Isoscelesc. Scalene

4

4

4

is a/an _______________ triangle.

a.Acuteb.Rightc.Obtuse