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3 years ago

Can someone tell me if this is right for the arc

Mathematics

1 answer:

Charra [1.4K]3 years ago

3 0

Answer:

BC is a minor arc

Step-by-step explanation:

Just as an extra piece of information that can help us:

Knowing that the diameter splits a circle into halfs, it's degree measure is half of the degree measure of the whole circle: 360/2 = 180 degrees.

This means that diameter AC consists of a 180 degree measure, helping us in the sense that:

mBC + mBA = mAC

mBC + 70 = 180

mBC = 180 - 70

mBC = 110 degrees

Now the mBC to the mBEC is 110: 250 such that we know arc BC is smaller in size as degree measure is proportional to circumference length. Knowing it is smaller in length, BC is thus a minor arc.

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