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Question

Find the value of m in the diagram below. 
[ Take:sin97°=0.9925 ]


  1. 7.025 cm
  2. 8.025 cm
  3. 9.075 cm
  4. 10.075 cm


Solution

The correct option is D 10.075 cm

We know that,
sinAa=sinBb   [sine rule]

sin30°m=sin97°20

(12)m=0.992520

m=100.9925

m=10.075 cm

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