the way to answer this is you have find out coordinates of BC and since i cant see the graph im no help. y will equal whatever you can get from there .
Answer:
see explanation
Step-by-step explanation:
The 
= i
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
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3.14 - 3a Radians
Because
180o = 3.14 radian
Answer:
1. first one
2. there are no solutions that i see
Step-by-step explanation:
