Answer:
35°
Step-by-step explanation:
By the property of intersecting secants outside of a circle.
Answer:
x²+22
Step-by-step explanation:
let the number= X
x²+22
Answer:
a triangle always equals 180 degrees so
63+ 2x+8 + x+7 =180
solve for x
and then plug it back into original equation
let me know if this makes sense
glad to help you more if needed
Step-by-step explanation: