Triangle $ABC$ is a right-angled triangle with $AB=BC=10$ cm. $OBDC$ is a semicircle with cent

Question

Triangle $ABC$ is a right-angled triangle with $AB=BC=10$ cm. $OBDC$ is a semicircle with centre $O$ and $D$ is the midpoint of the arc $BDC$. Calculate the area and perimeter of the shaded region, to $3$ significant figures.

Accepted Answer

Area $=32.1\text{ cm}^2$, perimeter $=33.7\text{ cm}$

IP1U13 SWII (Pythagoras) Q13

IP1U13 SWII (Pythagoras) Q13

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