Answer:
∠ABC= 70
Step-by-step explanation:
arc AB = 110, so ∠ACB = 55,
ΔABC is an isosceles triangle cause two sides are the same,
so ∠BAC = 55, angles in a triangle adds up to 180, so
180 - 55 - 55 = 70 = ∠ABC
what i did was 360 and how i got that was a circle equals 360 so 360-108=252 so 360-252=108
C
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57
10+19+11+17=?
29+11+17=?
40+17=?
x + y = 20
x - y = 4
Add the 2 equations and get
2x = 24
x = 24/2 = 12
Plug x=12 into either equation and get
y = 8
