Question

Help i’ll mark brainly asap an

Answer 1

Answer:

i would say its 7

Step-by-step explanation:

Answer 2

Answer:

x = 9 m

Step-by-step explanation:

15m, x and 12m are the sides of a right triangle where 15m is the length of hypotenuse.

Therefore, by Pythagoras theorem:

$x^2 + 12^2 = 15^2 \\

x^2 + 144 = 225 \\

x^2 = 225-144 \\

x^2 = 81\\

x = \sqrt {81}\\

x = 9\: m$