The height of a cone is 16cm and its base radius is 12cm.Find the total surface area of the cone. [usell 314]Prove that the line segment joining the mid-points of two sidesof a triangle is parallel to the third side.9. Diagonals AC and BD of a quadrilateral ABCD interest eachother at P. Show that ar (AAPB) x ar (ACPD) = ar (AAPD) x ar(ABPC)

The height of a cone is 16cm and its base radius is 12cm.Find the tota

1.	The height of a cone is 16cm and its base radius is 12cm.Find the total surface area of the cone. [usell 314]Prove that the line segment joining the mid-points of two sidesof a triangle is parallel to the third side.9. Diagonals AC and BD of a quadrilateral ABCD interest eachother at P. Show that ar (AAPB) x ar (ACPD) = ar (AAPD) x ar(ABPC)
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