Given that $AB=9$cm, the radius of the circle $OA=20.5$cm and $\angle ABC=90{}^\circ $. F

Question

Given that $AB=9$cm, the radius of the circle $OA=20.5$cm and $\angle ABC=90{}^\circ $. Find, the area of triangle $ABC$, $h$, the perpendicular distance from point $B$ to the line $AC$.

Accepted Answer

(i) $180\text{ cm}^2$ (ii) $8.78\text{ cm}$

Applying Pythagoras in a Circle-Based Triangle

Applying Pythagoras in a Circle-Based Triangle

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