Question #6433441Single Choice

Geometry

Question

A civil engineer is designing a bridge across a river. The two endpoints of the bridge are marked on a blueprint as points A and B. The engineer needs to place a support pillar at the midpoint of the bridge to balance the structure. What is the best geometric method to find the correct location for the support pillar?

Options

Construct the perpendicular bisector of AB using a compass and straightedge

Use a ruler to estimate the midpoint by eye

Measure the total length of AB and divide by three

Extend AB and place the pillar at a random point

Answer & Analysis

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