AREA FORMULAPRE346

AREA: the space inside a polygon.

AREA is measured in square feet, inches, miles, centimeters, meters, etc.

AREA FORMULAPRE346

Base = 4 feet

Height = 3 feet

43

5 6 7 8

9 10 11 12

21

Arearectangle = base x heightArea = feet x feet = square feetArea = 4 feet x 3 feet = 12 square feet

AREA FORMULAPRE346

Area of a triangle is half the area of a rectangle.

AREAtriangle = bh or 1/2bh 2

A triangle is half of a rectangle.

so

AREA FORMULAPRE346

AREAtriangle = 4 ft x 3 ft 2 = 6 sq ft

Base = 4 feet

Hei

ght =

3 fe

et

AREAtriangle = bh 2

NOTE: Height cannot be slanted!!!