RRB Group D Model Paper 7 with solutions

Question : 92 of 100

Marks: +1, -0

If the numerical values of the height and the area of an equilateral triangle be same, then the length of each side of the triangle is

Solution:

(1) Let side length of the equilateraltriangle be a.
Given that, Height = Area =

√3/4 a^2

⇒

√3/4 a^2

1/2×√3/4 a^2×a

⇒

a/2

= 1
⇒ a = 2 units

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