Find measure DC

A) 54
B) 108
C) 79

A) 54

Step-by-step explanation:

You know that a full triangle has to be equal to 180. This means we have to subtract 47 and 79 from 180. 180-47-79 is equal to 180-126. Simplify this to get 54.

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54

Step-by-step explanation:

An inscribed angle is equal to half the measure of its intercepted arc.

∠B is the inscribed angle and mDC is the intercepted arc

So 2∠B = mDC

we can easily find the measure of ∠B by using the triangle angle theorem which states that the angles in a triangle add up to equal 180

That being said we can find the missing angle ( ∠B ) by subtracting the measures of the given angles from 180

180 - 47 - 79 = 54

so ∠B = 54 which means that mDC = 2(54)

2 * 54 = 108  therefore your answer is C

rectangle that is ther answer you

step-by-step explanation: