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ANTONII [103]
3 years ago
7

The width of a rectangular playground is half of its length. The total area of the

Mathematics
1 answer:
Julli [10]3 years ago
4 0

area of a triangle =length ×width

200=x/2×x

x²/2=200

x²=200×2

x²=400

x=20

length=20

width =x/2=20/2=10

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