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MATHEMATICSROLL NO.: 55

Area of parallelogram

Today we are going to drive formula for the

circle of parallelogram

What do you mean by a Parallelogram

Parallelogram is a quadrilateral with two opposite sides are parallel

Life examples of parallelogram

Look at the picture

ABCD is a parallelogram

We can draw a diagonal to this parallelogram

Now the parallelogram ABCD is divided into two triangle ABD and BCD

We can draw the attitude h and base b of the parallelogram

h

h

b

Area of ACD = ½ bhArea of BCD = ½ bh

Area of the parallelogram ABCD is equal to the sum of two triangles

ACD and BCD

So area of the parallelogram ABC

= ½ bh + ½ bh= bh

So area of the parallelogram = bhWhere b = Base of the parallelogramh = height from base to opposite side