Question

1. ray ef is shown below. plot point g and draw ray eg so that the measure of ∠gef is 180°. in other words, draw ∠gef as a straight angle.

a straight angle is equivalent to what other type of geometric object?
n - gen math 8, unit 2 - tools of geometry - lesson 2
cmathstruction, red hook, ny 12571, © 2020

Explanation:

Step1: Recall geometric object definitions

A straight - angle measures 180°. A half - circle (semicircle) also subtends an angle of 180° at the center. In terms of geometric objects, a straight angle is equivalent to a semicircle.

Answer:

A semicircle