Area of Triangles

Front

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

Back

Area = 1/2 × base × height

Front

What is the base of a triangle?

Back

The base is one side of the triangle, often the bottom side, used in calculating the area.

Front

What is the height of a triangle?

Back

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

Front

If the base of a triangle is 7 units and the height is 10 units, what is the area?

Back

Area = 1/2 × 7 × 10 = 35 square units.

Front

What is the area of a triangle with a base of 9 units and a height of 12 units?

Back

Area = 1/2 × 9 × 12 = 54 square units.

Front

How do you find the height of a triangle if you know the area and the base?

Back

Height = (Area × 2) / base.

Front

What is the area of a triangle with a base of 11 units and a height of 6 units?

Back

Area = 1/2 × 11 × 6 = 33 square units.

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle measuring 90 degrees.

Front

What is an equilateral triangle?

Back

An equilateral triangle is a triangle where all three sides are equal in length.

Front

What is an isosceles triangle?

Back

An isosceles triangle is a triangle with at least two sides of equal length.