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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.

iit jee , 15 Years ago
Grade 12
anser 1 Answers
Badiuddin askIITians.ismu Expert

Last Activity: 15 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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