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kondaur [170]
3 years ago
7

A small, rectangular park has a perimeter of 560 feet and a diagonal measurement of 200 feet. What is its area, in square feet?

19,200 19,600 20,000 20,400 20,800 Next Previous HelpEnd Review Review Screen
Mathematics
2 answers:
yawa3891 [41]3 years ago
8 0

Answer:19,600

Step-by-step explanation:

sergij07 [2.7K]3 years ago
7 0

Answer:

19200 square feet

Step-by-step explanation:

2x+2y=560.  x+y=280

find xy.

(x+y)^{2} =x^{2} +2xy+y^{2}

280^{2} =200^2+2xy

2xy=280^2-200^2

2xy=78400-40000=38400

xy=19200 square feet

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