Posted by **jenna ** on Sunday, July 3, 2011 at 3:17pm.

find the perimeter and area of a right triangle if the shortest side is 20 mm. and the longest side is 52 mm. include correct units with each part in solution.

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**Damon**, Sunday, July 3, 2011 at 3:26pm
Now I did one very similar to this for you a couple of hours ago. You try.

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**jenna **, Sunday, July 3, 2011 at 3:28pm
i think P = a + b + c right?

and A = 1/2bh right?

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**Damon**, Sunday, July 3, 2011 at 3:31pm
yes and c = 52 = sqrt (a^2+b^2)

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**Damon**, Sunday, July 3, 2011 at 3:33pm
(because the longest side is the hypotenuse, not one of the legs)

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**jenna **, Monday, July 4, 2011 at 3:36pm
im still a little confused with this problem....

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**jenna **, Monday, July 4, 2011 at 4:48pm
i dont think im getting this problem...would it be 20 * 52 = 1040 mm?

PLEASE ASSIST :(

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