Subject: General Aptitude · Chapter: Area · Exam: 2006 · Marks: · Difficulty:
The area of a triangle is equal to the area of a square whose each side is 60 metres. The height of the triangle is 90 metres. The base of the triangle will be
(a)65 m
(b)75 m
(c)80 m
(d)85 m
Answer
Answer (as printed): C
Explanation
$\frac{1}{2} \times$ Base × Height $=60 \times 60 \Rightarrow \frac{1}{2} \times$ Base $\times 90=3600$ ⇒ Base $=\left(\frac{3600 \times 2}{90}\right)=80 \mathrm{m}$.