Question

C.7 D.14 Geometry math question no Guessing and Please show work

Answer 1

$\sin(45) = \frac{7 \sqrt{2} }{2} \div x \\ x = \frac{7 \sqrt{2} }{2} \div \sin(45 ) \\ x = \frac{7 \sqrt{2} }{2} \times \frac{ \sqrt{2} }{2} \\ x = \frac{7 \times 2}{2} \\ x = 7$
option with 7 as the answer is correct