Question

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Answer 1

sin 30° = h / 40

( 1 / 2) = h / 40 { sin 30° = 1 / 2 }

( 1/ 2 ) × 40 = h

40 / 2 = h

20 = h

h = 20

I hope this point is clear .

Answer 2

Step-by-step explanation:

check attached file above...

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