What is the area of an obtuse angled triangle having two sides as 18 m and 24 m and the angle between them as 150°?
  • a)
    78 sq.m
  • b)
    108 sq.m
  • c)
    84 sq.m
  • d)
    96 sq.m 
Correct answer is option 'B'. Can you explain this answer?

CAT Question

By Gajendra Jain · Aug 30, 2020 ·CAT
Dinesh Kukreja answered Jun 06, 2018
The shortcut method is to use the formula,
area = 1/2 x a x b x sinC
=1/2 x 18 x 24 x sin(150)
=216 x sin(30)
=24

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