alleryDraw a circle about each of two points through the other, then join both points to a crossing. Which shape?
AA rectangle shape
BA right triangle
CA square shape
DA regular triangle
Answer & Solution
Correct answer: D. A regular triangle
1. Draw one circle centred on each point and passing through the other.
2. The circles meet at two new points; join one of them to the original points.
3. All three sides equal the distance between the originals, so the triangle is equilateral.
_Source: Wikipedia, Straightedge and compass construction, section The basic constructions_
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