FY21 GEOMETRY OPTIONAL SEM1 REVIEW 19. In triangle ABC below, what is the measure of LABC? 53 4 C A. 26.5° В. 53° C. 63.5° D. 127

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Q: C B. 70° C. 45° D. 40° 70° Find the missing angle ACB. O A. 90⁰ E. 20° 70 A B

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A: topic - lines and angles

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Q: A pilot is flying over a straight highway. He determines the angles of depression to two mileposts,…

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Angles

In mathematics, angles constitute a very important part. Just like the concept of lines, an angle is a necessary figure that is used for measurement. How do you define its formation? It is formed when two or more lines meet at a point. The point at which two or more lines meet is known as the vertex. When the lines get inclined at this point, they do form various angles. Angles are measured from the vertex in terms of degrees.