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:
P 140 units
A 1200 units^2
Step-by-step explanation:
The length of the rectangle is 20 to -20 = 20 - -20 = 40 units
The width of the rectangle is 20 to -10 = 20 - -10 = 30 units
The perimeter is given by
P = 2 ( l+w) = 2 (40+30) = 2 (70) = 140 units
The area is given by
A = lw = 40*30 = 1200 units^2
You might be interested in
8 hours because he makes $16 an hour
Answer:
maths
this too hard idk like C idk bc C is betwwed B and D
Between 2² and 3².
2√5 is gonna be a little greater than 2*2, or 4. But definitely less than 3², or 9
Answer:
to simplify this problem the answer would be 12sqrt5 - 6sqrt2 but I cannot explain it.
Step-by-step explanation:
The answer to this problem will be A. Plug in the numbers
