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Anastaziya [24]
3 years ago
12

Find the length of the missing side​

Mathematics
1 answer:
sasho [114]3 years ago
7 0

Answer:

<u>x</u><u> </u><u>is</u><u> </u><u>5</u><u> </u><u>cm</u>

Step-by-step explanation:

From pythogras theorem:

{a}^{2}  +  {b}^{2}  =  {c}^{2}

a is x cm

b is 12 cm

c is 13 cm

{x}^{2}  +  {12}^{2}  =  {13}^{2}  \\  {x}^{2}  =  {13}^{2}  -  {12}^{2}  \\  {x}  =  \sqrt{ {13}^{2}  -  {12}^{2} }  \\ x =  \sqrt{169 - 144}  \\ x =  \sqrt{25}  \\ x = 5 \: cm

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Step-by-step explanation:

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