Area of Triangles

Front

What is the formula to find the area of a triangle?

Back

Area = (base × height) / 2

Front

What does 'base' refer to in a triangle?

Back

The base is one side of the triangle, often the bottom side used to calculate area.

Front

What does 'height' refer to in a triangle?

Back

The height is the perpendicular distance from the base to the opposite vertex.

Front

If a triangle has a base of 10 cm and a height of 5 cm, what is its area?

Back

Area = (10 cm × 5 cm) / 2 = 25 cm²

Front

What is the area of a triangle with a base of 8 units and a height of 6 units?

Back

Area = (8 units × 6 units) / 2 = 24 units²

Front

What is the area of a triangle with a base of 12 cm and a height of 4 cm?

Back

Area = (12 cm × 4 cm) / 2 = 24 cm²

Front

How do you find the perimeter of a triangle?

Back

Add the lengths of all three sides together.

Front

What is the perimeter of a triangle with sides measuring 5 cm, 7 cm, and 10 cm?

Back

Perimeter = 5 cm + 7 cm + 10 cm = 22 cm

Front

What is a right triangle?

Back

A right triangle has one angle that measures 90 degrees.

Front

What is an equilateral triangle?

Back

An equilateral triangle has all three sides of equal length.