Question 106

The area of a parallelogram is 128 sq.cm and its altitude is twice the base. Then the base (in cms) is

Solution

Given, h = 2b

Area of parallelogram = base x height

$$\Rightarrow$$ b x h = 128

$$\Rightarrow$$ b x 2b = 128

$$\Rightarrow$$ b$$^2$$ = 64

$$\Rightarrow$$ b = 8 cm

$$\therefore\ $$Base of parallelogram = 8 cm

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