Mathematics, 03.04.2021 01:00, jacob7542

On the coordinate plane shown, each grid unit represents 10 feet. Polygon QRST has vertices Q(20, 30), R(−10, 30), S(−10, −10), and T(20, −10), and represents the floor plan of a room. Find the perimeter and area of the room.

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On the coordinate plane shown, each grid unit represents 10 feet. Polygon QRST has vertices Q(20, 30...