3 years ago

A circle shown below, m AC = 89° and m BC = 153°. Determine m∠ACB.

Mathematics

1 answer:

Phoenix [80]3 years ago

4 0

Answer:

m<ACB = 59degrees

Step-by-step explanation:

To get <ACB, first we need arcAB

arcAB + arcAC + arcBC = 360

arcAB + 89 + 153 = 360

arcAB+242 = 360

arcAB = 360 - 242

arcAB = 118

Also, m<ACB = 1/2arcAB

m<ACB = 1/2*118

m<ACB = 59degrees

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