Question

Pythagorean theorem

Answer 1

Answer:

x = 8

Step-by-step explanation:

$a^{2} +b^{2} =c^{2}$ so $8^{2} +b^{2} =\sqrt{80} ^{2}$

rearrange the formula:

$\sqrt{80} ^{2} - 8^{2} = b^{2}$

$80 - 64 = b^2$

$b^2 = 16$$b = \sqrt{16}$

$\sqrt{16} = 4$

$x = 4+4 = 8$