Question

I need help really fast!!!

Answer 1

Answer:

by using Pythagoras law

16²=(2x²)²+(2x²)²(since base angle of isosceles triangle is equal

16²=4x⁴+4x⁴

16²=16x⁴

16=x⁴

$x = \sqrt[4]{16}$

x=2

Answer 2

Answer:

x=4

if that is what you need hope this helped

Step-by-step explanation: