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If cosec = 29 21 where 0 90^ , then what is the value of 4 +4 ?

Options

  1. A5
  2. B10
  3. C15
  4. D20

Correct answer

B. 10

Step-by-step solution

Given: cosec = 29 21 = H P we have Pythagorean triplet of (20,21,29) aligned & P=21 & B=20 & H=29 aligned aligned & 4( + )=4 ( 29 21 + 21 20 ) & 200 20 =10 aligned

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