SHAPE
AREA
PERIMETER
TRIANGLE
SQUARE
RECTANGLE
TRAPEZOID
PARALLELOGRAM
h
b
c
s
s
s
s
l
w
b1
b2
h
b
h
Area of a triangle = 1/2 (b x h)
b = 2in, h = 3in
Area of a triangle = 1/2 (b x h)
Area of a triangle = 1/2 (2 x 3)
Area of a triangle = 1/2 (6in2)
Perimeter of a triangle (P)= b + c + h
b = 2in, c = 4in, h = 3in
P = b + c + h
P = 2in + 4in + 3in
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