Question

In triangle PQR, PR = 8 cm, QR = 8 cm and PL = 5 cm. Find the area of triangle PQR.

• A. $5c{m}^2$
• B. $15c{m}^2$
• C. $18c{m}^2$
• D. $20c{m}^2$

Answer 1

The correct option is D

$20c{m}^2$

QR = base = 8 cm, PL = height = 5 cm

Area of the triangle PQR $=\frac{1}{2}\times \text{base}\times \text{height}=\frac{1}{2}\times 8\times 5=20c{m}^2$