Types of Triangles

An acute triangle is made up of all acute angles. Schimmel

A right triangle has one right angle.

An obtuse triangle has one obtuse angle.

An equilateral triangle has 3 equal sides. 5 5 3 3 5 3 7 7 7

An isosceles triangle ha 2 equal sides. 5 5 9 9 12 12 2 5 6

A scalene triangle has 0 equal sides. 7 5 12 3 6 8 8 9 2

You try it

is a ________. 4 4 4 Equilateral Isosceles Scalene

is a/an ______ triangle. Acute Right obtuse

is a ________. 7 5 3 Equilateral Isosceles Scalene

is a _________. 8 8 4 Equilateral Isosceles Scalene

is a/an ___________ triangle. Acute Right Obtuse

is a ________. 2 7 9 Equilateral Isosceles Scalene

is a ________. 4 4 4 Equilateral Isosceles Scalene

is a/an _______________ triangle. Acute Right Obtuse