Question

What is the value of x? • 7 • 7√2 • 14 • 14√2

Answer 1

Answer:

7

Step-by-step explanation:

Look at the picture.

We have the triangle 45° - 45° - 90°. The sides are in ratio 1 : 1 : √2.

Therefore we have the equation:

$x\sqrt2=7\sqrt2\qquad\text{divide both sides by}\ \sqrt2\\\\x=7$