In the diagram below of circle , diameter AB is parallel to chord CD. A. 110° B. 70° D C. 55° h D. 35° A B If mCD = 70, what is
mAC?
1 answer:
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Answer:
8
Step-by-step explanation:
let the number be n , then
n + 3 = n - 3 ( multiply through by 4 to clear the fraction )
n + 12 = 4n - 12 ( subtract 4n from both sides )
- 3n + 12 = - 12 ( subtract 12 from both sides )
- 3n = - 24 ( divide both sides by - 3 )
n = 8
That is the number is 8