Question

I need help with this please ASAP!!!

Answer 1

Answer:

11.3

Step-by-step explanation:

i used the theorem of Pythagoras

Answer 2

Answer:

11.3

Step-by-step explanation:

In a right angled triangle:  the square of the hypotenuse is equal to

the sum of the squares of the other two sides.

$8^{2} + 8^{2} = x^{2}$ (x is the hypotenuse)

64 + 64 = $x^{2}$

$x^{2}$ = 128

=> x = $\sqrt{128}$ = 11.3137085 = 11.3