Architects and engineers make drawings using a plastic triangle with angle measures 30, 60, and 90 The triangle slides along a fixed horizontal edge a Explain why the blue lines shown are parallel b Explain how the triangle can be used to draw vertical parallel lines

Question: Architects and engineers make drawings using a plastic triangle with angle measures 30, 60, and 90. The triangle slides along a fixed horizontal edge. a.

Architects and engineers make drawings using a plastic triangle with angle measures 30°, 60°, and 90°. The triangle slides along a fixed horizontal edge.

Architects and engineers make drawings using a plastic triangle with angle measures

a. Explain why the blue lines shown are parallel.

b. Explain how the triangle can be used to draw vertical parallel lines.

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