Question 102

The perimeter of a semicircle is 144 cm. Then its area ( in sq.cms) is ( Here take $$\pi = \frac{22}{7}$$)

Solution

The perimeter of this semicircle is given by
$$2r+\pi\ r\ =\ 144$$
Solving this equation, we get: r = 28 cm

Hence, area of the semicircle is = $$\pi\ \frac{r^2}{2}=1232\ sq\ cm$$

Create a FREE account and get:

Download Maths Shortcuts PDF
Get 300+ previous papers with solutions PDF
500+ Online Tests for Free

AP ICET 2nd May 2018 Shift-2

The perimeter of a semicircle is 144 cm. Then its area ( in sq.cms) is ( Here take $$\pi = \frac{22}{7}$$)

Login to your Cracku account

Hello! 👋

Ready to Unlock Your Success?

Please Enter Your OTP

Please enter the following details

Create a free Cracku account