SSC CHSL Model Paper 3

Question : 35 of 100

Marks: +1, -0

The largest and the second largest angles of a triangle are in the ratio of 4 :3 . The smallest angle is half the largest angle. What is the difference between the smallest and the largest angles of the triangle?

30°
60°
40°
20°

Validate

Solution:

The smallest angle of the triangle is half of the largest angle.
∴ Ratio of the three angle

= 4:3:2

∴

4 x+ 3 x+ 2 x= 180°

∴

9x= 180°

∴

x = 20°

∴ required difference

= 4x-2x

= 2x=2 × 20°=40°

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