Triangle Word Problems

Front

What is an isosceles triangle?

Back

A triangle with at least two sides of equal length.

Front

What is a scalene triangle?

Back

A triangle with all sides of different lengths.

Front

What is an equilateral triangle?

Back

A triangle with all three sides of equal length.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height.

Front

How do you classify a triangle by its angles?

Back

Triangles can be classified as acute (all angles < 90°), right (one angle = 90°), or obtuse (one angle > 90°).

Front

What is the area of a triangle with a base of 12 inches and a height of 3 inches?

Back

18 in².

Front

If a triangle has sides of 2 inches, 2 inches, and 3.5 inches, how is it classified?

Back

Isosceles.

Front

What is the area of a triangle with a height of 7 inches and a base of 12 inches?

Back

42 in².

Front

How much fabric is needed to cover a triangular piece of wood with a height of 6 inches and a base of 2 inches?

Back

6 in².

Front

What is an obtuse triangle?

Back

A triangle that has one angle greater than 90°.