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soldier1979 [14.2K]
1 year ago
13

Find x options; a) 21√2/2 b) 21√2 c) 21√3/2 d) 7

Mathematics
1 answer:
pishuonlain [190]1 year ago
6 0

The value of x is  21√2/2

The correct option is (A)

<h3>What is Trigonometry?</h3>

Trigonometry is a branch of mathematics that studies relationships between the sides and angles of triangles.

In triangle having angle 60.

sin 60 = P/ 7√3

√3/2= P/7√3

2P= 21

P= 21/2

Now again

cos 45= 21/2/x

1/√2 = 10.5/x

x=  21√2/2

Learn more about trigonometry here:

brainly.com/question/26719838

#SPJ1

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