Question

can anyone help me the equation is on the top right

Answer 1

❤ hOlA mAtE ❤

==> Sum of all sides of a Triangle = Sum of all sides

==> x+11+4 = 180°

==> x+15=180°

==> x=180°-15

==> x = 165°

The length of third side will be 165m.

Answer 2

Answer:

In ∆ABM

5²+y²=11²

y²=121-25

y²=96

In∆ABC

5²+(y+4)²=x²

25+y²+16+8y=x²

25+96+16+8y=x²

137+8y=x²

solve further you