3 years ago

If arc BC = 30°, arc AB = 120°, and arc CD = 120°. what is the measure of

Mathematics

1 answer:

Ganezh [65]3 years ago

3 0

Answer: 30 degrees

Step-by-step explanation:

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What’s the midpoint of the line segment joining A and B<br><br> A(2,-5);B(6,1)

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$\bf ~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ A(\stackrel{x_1}{2}~,~\stackrel{y_1}{-5})\qquad B(\stackrel{x_2}{6}~,~\stackrel{y_2}{1}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left( \cfrac{6+2}{2}~~,~~\cfrac{1-5}{2} \right)\implies \left( \cfrac{8}{4}~,~\cfrac{-4}{2} \right)\implies (4,-2)$