Question: A mathematics professor wanted to use a computer drawing program to draw a picture of a regular pentagon (a five-sided figure with sides of equal

A mathematics professor wanted to use a computer drawing program to draw a picture of a regular pentagon (a five-sided figure with sides of equal length and with equal angles). He first made a 1-in. base by drawing a line from (0, 0) to (1, 0). (See the figure.) He then needed to find the coordinates of the other three vertex points. Use trigonometry to find them. y (0, 0) 1 (1, 0) X

y (0, 0) 1 (1, 0) X

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