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January 30, 2015

January 30, 2015

Posted by **nisha** on Wednesday, January 2, 2013 at 12:30pm.

With base nine cm

side lengh twenty

seven cm and height twenty cm

please help me

- math -
**Steve**, Wednesday, January 2, 2013 at 1:59pmheight does not matter.

p = 2b+2s = 2*9 + 2*27 = 18+54 = 72

you only need the height if you want the area.

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