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zubka84 [21]
3 years ago
12

a triangle has two sides that have lengths of 8 cm and 14 cm.Which length below would not represent the length of the third side

? A. 7 cm B. 13 cm C. 18 cm D. 22 cm E. 15 cm
Mathematics
1 answer:
anyanavicka [17]3 years ago
4 0

Answer:

hmmm..... let me think. A

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Step-by-step explanation:

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Sustituying in the magnitud of the sum

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C=\sqrt{A^2sin^2x+2ABsinxcosx+B^2cos^2x+A^2cos^2x-2ABsinxcosx+B^2sin^2x} =9

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