Answer:
50
Step-by-step explanation:
take the arc degrees (100) and divide by 2
Inscribed angles are 1/2 of the created arc degrees
Let's see what to do buddy...
____________________________
Reminder:

So we need to just Multiply above equations like this :




____________________________
And we're done.
Thanks for watching buddy good luck.
♥️♥️♥️♥️♥️
Answer:
(a,b)------>(-1,-7)let
now
m(x-a)=(y-b)
2(x+1)=(y+7)(where m=slope
2x+2=y+7
2x-y=7-2
2x-y=5 is a required equation.
A+3=B
17+3=B=20
B equals 20 when A equals 17