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logan541972
12.04.2021 •
Mathematics
Help please. (right now i’m just filling in for the 20 characters it’s not relevant to the question)
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Ответ:
9
Step-by-step explanation:
We're using the Pythagorean theorem here since it's a right triangle.
a^2 (side) + b^2 (side) = c^2 (hypotenuse)
12 = a
x = b
15 = c
12^2 + b^2 = 15^2
144 + b^2 = 225
- 144 - 144 (subtracting 144 from both sides to isolate b)
b^2 = 81
b = 9
x = 9
Ответ:
125 cm3
Step-by-step explanation:
(happy to help)