Question

Find the missing side of the triangle

Answer 1

Answer:

x = 4$\sqrt{2}$

Step-by-step explanation:

Pytago:

x$x^{2} +7^{2} = 9^{2} \\\\x = \sqrt{9^{2} - 7^{2} } x = 4\sqrt{2}$

Answer 2

Answer:

Step-by-step explanation:

a^2 + b^2 = c^2

7^2 + b^2 = 9^2

49 + b^2 = 81

b^2 = 81 - 49

b^2 = 32

b^2 = 5.65 or sqrt rt of 32