Question

HELP ME PLS WALLAH THIS IS HARD

Answer 1

Answer:

42

Step-by-step explanation:

use the Pythagorean theorem :D

Answer 2

Answer:

$\underline{\boxed{x = 42}}$

Step-by-step explanation:

${70}^{2} = {x}^{2} + {56}^{2} \\ {x}^{2} = {70}^{2} - {56}^{2} \\ x = \sqrt{( {70}^{2} - {56}^{2} )} \\x = \sqrt{(4,900 -3,136) } \\ x = \sqrt{1,764} \\ x = 42$