Page 5 - STD-9 PDF MATHS WWW.BALDEVPARI.COM_Classical
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Square
Area = a2
a = length of side
Rectangle
Area = w × h
w = width
Parallelogram
Area = b × h
b = base
h = height
h = vertical height
Trapezoid
Trapezium
Area = ½(a+b) × h
h = vertical height
Circle
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