For the values a = 7.2 which is a leg of a right triangle, and value c = 11.1, which is the hypotenuse, find the length of the other leg, b, to the nearest tenth.

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18-10-2016
Mathematics

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For the values a = 7.2 which is a leg of a right triangle, and value c = 11.1, which is the hypotenuse, find the length of the other leg, b, to the nearest tenth.

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Аноним Аноним · Answer 1 · 2016-10-18T19:27:16+02:00

Аноним Аноним

18-10-2016

Phythagoras theorem:
hypotenuse²=leg₁²+leg₂²

Data:
leg₂=7.2
hypotenuse=11.1

Therefore:

(11.1)₂=leg₁² +(7.2)²
123.21=leg₁²+51.84
leg₁²=123.21 - 51.84
leg₁²=71.37
leg¹=√(71.37)
leg₁=8.4

Answer: b=8.4

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dimyk dimyk · Answer 2 · 2016-10-18T19:31:19+02:00

dimyk dimyk

18-10-2016

the answer is b=8.4

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