Laura is buying a new table for her dining room. she finds one that she likes, and she estimates that the tabletop measures 7 ft by 4 ft. the tabletop is actually 8 ft by 5 feet. what is the percent error in the estimated area of the tabletop?

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.