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SSC MTS 2019 PYQ — Question 72

SSC MTS Previous Year - 07 August 2019 - Shift 1 • Quantitative Aptitude • Q72

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What is the area of a triangle whose sides are 7 cm, 24 cm and 25 cm?

Show answer & explanation

Correct answer: C

Explanation

Correct Answer is option 3 i.e. 84 cm2

Understanding

Application

Calculation

Side: 7, 24, 25 cm

(It is a Pythagoras triplet)

These sides form a right angle triangle with hypotenuse 25cm.

⇒ 252 = 72 + 242

⇒ 625 = 49 + 576

⇒ 625 = 625

 

Area of triangle

= ½ × Base × Height

Base = 24, Height = 7

So,

Area = 84 cm2

⇒ ½ × 24 × 7

⇒ 84