Answer:
A.
Explanation:
Finding the missing side :
7² + x² = 9²
x² + 49 = 81
x² = 32
x = 4√2
Taking the tan value :
tanθ = 7/(4√2)
tanθ = 7(4√2)/4√2(4√2)
tanθ = 28√2/32
tanθ =
Tan(51.06) = 1.24 so the correct answer is A
Sin0 = 7/9
0 =Arcsin(7/9)
0 =51.06
So,
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