Find the length of side c of a triangle if side a =15 and side b=20

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The length of side c of a triangle if side a =15 and side b=20 is 20. a^2 + b^2 = c^2; 15^2 + 20^2 = c^2; 225 + 400 = c^2; 625 = c^2; c = square root of 625 c = 25

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Asked 11/15/2015 3:45:38 PM

Updated 11/16/2015 12:32:28 AM

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Edited by Andrew. [11/16/2015 12:32:28 AM]

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alfred123

The length of side c of a triangle if side a =15 and side b=20 is 20.

a^2 + b^2 = c^2;

15^2 + 20^2 = c^2;

225 + 400 = c^2;

625 = c^2;

c = square root of 625

c = 25

Added 11/15/2015 9:14:59 PM

This answer has been confirmed as correct and helpful.

Confirmed by Andrew. [11/16/2015 12:32:30 AM]

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