ABC26GN4648 · Area
Subject: General Aptitude · Chapter: Area · Exam: · Marks: · Difficulty:
The product of the lengths of three sides of a triangle is 196 and the radius of its circumscribe is 2.5 cm. The area of the triangle is
(a)$19.6 \mathrm{cm}^{2}$
(b)$39.2 \mathrm{cm}^{2}$
(c)$61.25 \mathrm{cm}^{2}$
(d)$122.5 \mathrm{cm}^{2}$
Answer
Explanation
$\Delta=\frac{\text{Product of sides}}{4r}=\frac{196}{4 \times 2.5}=19.6 \text{ cm}^2$.
Explanation as extracted from the printed page; notation may be imperfect.
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