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3 votes
Can someone answer 13??? Please help!!!

Can someone answer 13??? Please help!!!-example-1
User Zhenglei
by
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2 Answers

3 votes
the answer is B because when you get 10.336618828645 you must round it to get 10.3
User MatlabDoug
by
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4 votes

Answer: B) 10.3

Work Shown:

cos(angle) = adjacent/hypotenuse

cos(20) = x/11

11*cos(20) = x

x = 11*cos(20)

x = 10.336618828645

x = 10.3

Make sure your calculator is in degree mode.