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1 year ago

Find the length of the third side. If necessary, round to the nearest tenth. 25 20

Mathematics

1 answer:

Komok [63]1 year ago

3 0

Answer:

Step-by-step explanation:

$using \: pythagoras \: theorem \\ let \: the \: unknown \: side = x \\ 25 {}^{2} = x {}^{2} + 20 {}^{2} \\ 625 = x {}^{2} + 400 \\ x {}^{2} = 625 - 400 \\ x {}^{2} { = 225} \\ x = \sqrt{225} \\ x = 15 \\ lenght \: of \: the \: third \: side = 15$

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Find the length of the third side. If necessary, round to the nearest tenth. 25 20 ​

Find the length of the third side. If necessary, round to the nearest tenth. 25 20