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Bogdan [553]
2 years ago
6

Find the length of the third side. If necessary, round to the nearest tenth. 18 30

Mathematics
1 answer:
Mumz [18]2 years ago
4 0

Answer:

24

Step-by-step explanation:

let \: the \: length \: of \:  \: the \: third \: side \:  = y \\ using \: pythaoras \: theorem \:  \\ 30 {}^{2} = y { }^{2}   + 18 {}^{2}  \\ y {}^{2}  = 30 {}^{2}   - 18 {}^{2}  \\ y {}^{2}  = 900 - 324 \\ y {}^{2}  = 576 \\ y =  \sqrt{576}  \\ y = 24 \\ lenht \: of \: the \: third \: side = 24

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