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if the 2 sides of a triangle and the included angles r a=1+3 1/2 cm, b = 2 cm C = 60 0. solve the triangle.

if the 2 sides of a triangle and the included angles r a=1+31/2 cm, b = 2 cm C = 600. solve the


triangle.

Grade:12

1 Answers

Badiuddin askIITians.ismu Expert
147 Points
11 years ago

Dear

a=1+31/2 cm, b = 2 cm C = 600

use cos formula

cos60 = (b2 + a2 -c2) /2ba

put the value

c= √6

now

  c/sinC = b /sinB

B=45

so A = 180-60-45

       =75

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