Answer:
BAC=15
Step-by-step explanation:
angle BOA= 180-30= 150
triangle BAO is
isosceles because it has two equal sides, radii of a circumference so the angles ABO=BAO=(180-150)/2=15
Answer:
SAS congruence postulate. sweetheart.
Step-by-step explanation:
Answer:
it is the 3rd one
Step-by-step explanation:
Answer:
77
Step-by-step explanation:
48+8x-3=18x+5
45-5=18x-8x
40=10x
x=4
18*4+5=77