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dezoksy [38]
2 years ago
6

The endpoints of one side of a regular pentagon or -1, four and two, three what is the perimeter of the Pentagon

Mathematics
1 answer:
forsale [732]2 years ago
8 0

Answer:

Step-by-step explanation:

(-1,4),(2,3)\\ \\ s^2=(-1-2)^2+(4-3)^2\\ \\ s^2=9+1\\ \\ s^2=10\\ \\ s=\sqrt{10}\\ \\ p=5s\\ \\ p=5\sqrt{10}\ exact\\ \\ p\approx 15.8

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2 years ago
The sum of a number times 8 and 21 is less than -16.
vodka [1.7K]

Hello.

First of all, let the number be t.

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