\( \triangle A B C \) is right angled at \( A \) with \( A B=6 \mathrm{~cm}, B C=10 \mathrm{~cm}... VIDEO
\( \triangle A B C \) is right angled at \( A \) with \( A B=6 \mathrm{~cm}, B C=10 \mathrm{~cm} \).
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A circle with centre \( O \) has been inscribed inside the triangle. The radius of the incircle is
(a) \( 4 \mathrm{~cm} \)
(b) \( 3 \mathrm{~cm} \)
(c) \( 2 \mathrm{~cm} \)
(d) \( 1 \mathrm{~cm} \)
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