VOCAB • Area: The number of square

units it takes to exactly fill the interior of a triangle.

• Height: The perpendicular distance from any vertex of a triangle to the side opposite that vertex. Also called altitude

HEIGHT AND BASE

• The relationship between the height and the base of a triangle is that no matter what the height and the base will always make a right angle. You know the difference because the height is vertical and the base is horizontal.

FORMULA

• To find the area of a triangle, you take ½ the base times the height.

UNITS

• The area of a triangle is measured in square units.

Examples

BONUS