Question

Find x A. 212√2 B. 212–√ C. 213√2 D. 7

Answer 1

The value of x in the triangle is (d) 7

How to solve for x?

The complete question is in the attached image.

From the attached image of the triangle, we can see that the triangle is a right triangle, and x can be solved using the following sine function

$\sin(45) = \frac{x}{7\sqrt 2}$

Evaluate sin(45)

$\frac 1{\sqrt 2} = \frac{x}{7\sqrt 2}$

Solve for x

$x = \frac{7\sqrt 2}{\sqrt 2}$

Divide

x = 7

Hence, the value of x in the triangle is (d) 7

Read more about special triangles at:

brainly.com/question/654982

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