Everyone if you can help that would be great

the answer is 2.87

Step-by-step explanation:

use the pythagorean theorem

2^2+b^2=4^2

that goes to b= 3.5

for the triangle with x you also need to use the pythagorean theorem

+=

4+=12.25

subtract 4 on both sides

=8.25

=

x=2.87

step-by-step explanation:

3024 rhe base is what up in worry about