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jacly jacly
  • 21-03-2017
  • Mathematics
Answered

Did I do this problem right ???

Did I do this problem right ??? class=

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Drb3lla
Drb3lla Drb3lla
  • 21-03-2017

I Believe You are correct
.

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Anonymous Anonymous
  • 21-03-2017

Your answers are wrong.

Use pythagoras theorem to solve for g

g² + 120² = 130²
g² = 130² - 120²
g² = 16900 - 14400 = 2500
g = √2500 = 50

a = g = 50

sin 30 = a/h
1/2 = 50/h
h = 50*2 = 100

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