2 answers:
Answer: X equals B.
Step-by-step explanation: all the degrees in a triangle add to be 180, so add up the given angles and subtract from 180 to get the missing angle.
Answer:
D
Step-by-step explanation:
(180° - 105°) + 55° + x = 180°
75° + 55° + x = 180°
x + 130° = 180°
x = 180° - 130°
x = 50°
I hope I helped you.
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Answer:
x = 4 is the answer
PLease give a brainliest
Answer:
r o s(3)=?
s(x)= x²-1
x=3
s(3)= 3²-1
s(3)= 9-1
s(3)=8
r(8)
r(x)= -2x-1
x=8
r(8)= -16-1
r(8)= -17
r(s(3))= -17
A and c are true ! I hope this helps
3 because a polygon has 3 or more sides
