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AleOfficial101
17.12.2020 •
Mathematics
Look at the diagram. If ST = 15 and RT = 40, then RS =.
R———————S——————T
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Ответ:
Ответ:
9^2 + b^2 = 15^2
81 + b^2 = 225
225 - 81 = b^2
144 = b^2
square root of 144 = 12
b = 12