AB = 75 cm
Step-by-step explanation:
Since ABC is a straight line, then
AB + BC = AC
let BC be x then AB = 5x and summing gives
5x + x = 90
6x = 90 ( divide both sides by 6 )
x = 15
Thus
AB = 5x = 5 × 15 = 75 cm
step-by-step explanation:
i hate black
answer: b.
the y coordinate for point b is 0, and answer b is the only one with that y coordinate.