Warm ups 4-10-08 Mark received a huge piece of chocolate shaped like a trapezoid that covered 98 square inches of his desk for his birthday!! Write two.

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Presentation transcript:

Warm ups Mark received a huge piece of chocolate shaped like a trapezoid that covered 98 square inches of his desk for his birthday!! Write two equations that could be used to determine the height of the chocolate. 16 in ? in 12 in h = 28h = 14h

Volume Formulas Cube V = s s s Volume is side x side x side

Volume Formulas Rectangular Prism L L L w w w h h h V = lwh or Volume is length x width x height or Volume is AREA OF THE BASE x height or Volume is Bh V= Bh

Volume Formulas Triangular Prism b h A= bh / 2 b h B B h h V= (bh / 2)h or Volume is Area of triangular base x height of prism or V= Bh

Volume Formulas Cylinder Volume is AREA OF CIRCLE BASE x height Or v=Bh r h V = 3.14 x r x r x h V=Bh

Something about cylinders… On a cylinder net……. One dimension of the rectangle MUST be equal to the CIRCUMFERENCE of the base(s) C=21 d= !!!!!NOT equal to the diameter of the base!!!!!!!!!!!! Okay!