Triangles Review

Front

What is the sum of the angles in a triangle?

Back

180 degrees

Front

What type of triangle has all sides of equal length?

Back

Equilateral triangle

Front

What type of triangle has one angle greater than 90 degrees?

Back

Obtuse triangle

Front

What type of triangle has one angle equal to 90 degrees?

Back

Right triangle

Front

What type of triangle has all angles less than 90 degrees?

Back

Acute triangle

Front

If two angles in a triangle measure 18° and 60°, what is the measure of the third angle?

Back

102°

Front

A triangle has angles measuring 26°, 59°, and 95°. What kind of triangle is it?

Back

Obtuse triangle

Front

What is the name of a triangle with two equal sides?

Back

Isosceles triangle

Front

What is the name of a triangle with no equal sides?

Back

Scalene triangle

Front

How do you find the measure of the third angle in a triangle?

Back

Subtract the sum of the two known angles from 180°.