SSC CHSL 2020 · Question 59 of 91

What is the perimeter (in cm) of an equilateral triangle whose height is 3.46 cm ? Take √3 = 1.73.

Geometry

A6
B9
C12Correct
D10.4

Answer: C. 12

Explanation

Given: Height of equilateral triangle = 3.46cm Formula: Side of equilateral triangle = 2/√3 × height Calculation: Side of an equilateral triangle = 2/√3 × 3.46 = 4 cm ∴ Perimeter of an equilateral triangle = 3 × 4 = 12 cm

Source: SSC CHSL 2020 (Tier-I) Prev. Year Paper (04-Aug-2021) (Shift 1) — prepp.in solved paper · reliable-secondary

Practice the full SSC CHSL 2020 paper

Timed test with all 91 questions, just like the real exam.

Start test