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Heron’s Formula — MATHS STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9MATHSHeron’s Formula1 Mark
Question
A triangle $ABC$ in which $AB = AC = 4\ cm$ and $\angle\text{A}=90^\circ,$ has an area of:
✓

Answer

According to question, in given right$-$angled triangle $AB$ and $AC$ are Base and Perpendicular respectively.
$\text{Area}=\frac{1}{2}\times4\times4$
$= 8\ cm^2.$

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