Rectangle
Perimeter:
P = L+ L+ w + w
or
P = 2(l + w)
Area:
A = lw
Parallelogram:
Perimeter:
p=b+b+c+c
or
P=2b+2c
Area:
A=bh
Triangle:
Perimeter:
P = q + w +e
Area:
A=bh / 2
or
A=1/2*b*h
Trapezoid:
Perimeter:
p=a + b + c + d
Area:
A=(a + b)h/2
or
A=1/2(a + b)h
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