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docker41 [41]
3 years ago
10

In Belleville, the library is due south of the courthouse and due west of the

Mathematics
1 answer:
Ket [755]3 years ago
3 0

Answer:12 miles

Step-by-step explanation:

Given

Distance between Court house and Library is 9\ miles

Distance between Court house and community hall is 15\ miles

Suppose distance between Court house and library is x\ miles

We can observe that the Court house, library and Community hall Forms a sort of right angled triangle as shown in fig

therefore we can write

15^2=x^2+9^2

x^2=225-81

x^2=144

x=12\ miles

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