3 years ago

In the diagram below of circle 0, diameter AB is

Mathematics

1 answer:

Nina [5.8K]3 years ago

8 0

Answer:

C. 55°

Step-by-step explanation:

The computation of mAC is shown below:

Given that

Diameter AB would be parallel to CD

McD = 70

Based on the attached diagram and the above information

mAC is

= (180 - 70) ÷ 2

= 55 degrees

hence, the correct option is third

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