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18 votes
Please answer this!!! ​

Please answer this!!! ​-example-1
User CarbonMan
by
2.8k points

2 Answers

5 votes
The second one answer is y=18


Explanation: a right angle adds to 90 degrees, meaning you would Add 57 and 15, then subtract that from 90. You would get -18, but turn that into a positive. Your answer will be 18 for Y on the second problem.
User Jazza
by
3.3k points
8 votes

Explanation:

sin60 =opp/hyp

0.86=y/20

y=17.2

cos60=adj/hyp

0.5=x/20

x=10

sin57=y/15

0.83=y/15

y=12.45

User JorgeO
by
3.0k points