Answer:

Step-by-step explanation:
Since
due to
is an angle bisector, we have the following:

Answer:
<h2><u><em>
a²+2ab+b²-c²</em></u></h2>
Step-by-step explanation:
Solve:
(a+b+c) (a+b-c)=
(a²+ab-ac+ab+b²-bc+ac+bc-c²)=
a²+ab-ac+ab+b²-bc+ac+bc-c²=
a²+2ab+0ac+b²+0bc-c²=
a²+2ab+b²-c²
Answer:
5 in
Step-by-step explanation:
AC = the diameter
FA = the radius
diameter=2*radius
10=2*FA
FA=10/2
FA=5 in
Answer:
36
Step-by-step explanation:
x+4y=8+4(7)=8+28=36