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Can somebody help me on this ?

Can somebody help me on this ?-example-1
User Zhengyue
by
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1 Answer

3 votes

Answer:

drag the protactor so that the the bottom, middle line is centered in point B, and the bottom edge is flat against line BC

the angle will be whatever number AB lines up with on the outer ring (the big numbers)

Explanation:

User Liang Wu
by
8.7k points