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umka2103 [35]
3 years ago
15

What is the length of the third side of the window frame below?

Mathematics
1 answer:
sergiy2304 [10]3 years ago
6 0

Answer:

a=15

Step-by-step explanation:

Nice you can take your time now XD

c²-a²=b²

39²-36²=a²

1521-1296=a²

a²=225

a²=√225

a=15

Too easy! :D

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