AREA: the space inside a polygon. AREA is measured in square feet, inches, miles, centimeters, meters, etc.

1 2 3 4 Height = 3 feet 5 6 7 8 9 10 11 12 Base = 4 feet Arearectangle = base x height Area = feet x feet = square feet Area = 4 feet x 3 feet = 12 square feet

A triangle is half of a rectangle. so Area of a triangle is half the area of a rectangle. AREAtriangle = bh or 1/2bh 2

AREAtriangle = 4 ft x 3 ft  2 = 6 sq ft AREAtriangle = bh 2 NOTE: Height cannot be slanted!!! Height = 3 feet Base = 4 feet AREAtriangle = 4 ft x 3 ft  2 = 6 sq ft