Question
Find the area of a triangle (Fig).
✓
Answer
We know that:
Area of triangle $=\frac{1}{2}~\times b~\times h=\frac{1}{2} \times \mathrm{QR} \times \mathrm{PS}$
$=\frac{1}{2} \times 4 \mathrm{cm} \times 2 \mathrm{cm}=4 \mathrm{cm}^{2}$
Area of triangle $=\frac{1}{2}~\times b~\times h=\frac{1}{2} \times \mathrm{QR} \times \mathrm{PS}$
$=\frac{1}{2} \times 4 \mathrm{cm} \times 2 \mathrm{cm}=4 \mathrm{cm}^{2}$
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