The maximum area of $\Delta ABC$ inscribed in a semicircle with radius $10 \,cm$ is .......$cm ^{2}$.
The maximum area of $\Delta ABC$ inscribed in a semicircle with radius $10 \,cm$ is .......$cm ^{2}$.
- A
$200$
- B
$100$
- C
$50$
- D
$400$
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