Take pi to be 3.142 and give your answer in 1 decimal form

Mrs.renoir has completed the interior portion of a quilt top measuring

Can someone answer this question? : )

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