On the coordinate plane shown, each grid unit represents 10 feet. Polygon QRST has vertices Q(10, 30), R(−20, 30), S(−20, −10),
and T(10, −10), and represents the floor plan of a room. Find the perimeter and area of the room.
1 answer:
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Answer:
Find the smallest multiple the denominators have in common
30
Expand each fraction so that the denominators are 30
Add or subtract the numerators and keep the same denominator
Simplify