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Friday, March 23, 2012

Kenzie's surface area and volume post.

Triangle = bxh1xh2
=3x5x8.5
____
2
=3x5-
=15
____ x 8.5
2
=63.75cm3

Rectangle = lxwxh
=20x8x16
=2,560cm3

3/8 triangle = bxh h2
=8x4x6.5
___
2
=16x6.5
=16x6.5

1) 3
__ of 104 cm 3
8
= 104
___ x 3
= 39cm3



2) 3
____ - o.375
8
Cylinder= 3.14 r 2 x h
= pixrxrxh
= d
__ = 12
2 ___ = 6
2
= 3.14 x 6 x 6 x 15
= 1.695.6

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