Question

In the figure, the shaded region is formed by removing a circle of centre P and radius 5 cm

from a semi-circle of centre O. Find the radius of the semi-circle.​

Answer 1

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`\large\boxed{\fcolorbox{red}{aqua}{Radius~of~semi~circle~=~10cm}}`

`\large\underline\mathrm\purple{Diameter~is~20cm}`