Select the best estimate of the product of 68 x 32 = A 1,900
B 1,100
C 1,500
D 2,100

Find the area of the regular hexagon if a side is 20 cm.

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

The surface area of the triangular prism is .