area of the base of a pentagonal prism with a volume of 50 cubic centimeters and a height of 7.5 centimeters

Agraph of a trapezoid can have diagonals with slopes that are negative reciprocals and two pairs of adjacent sides that are congruent, true or false, and why

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

If the value of cos330°is√3/2 then find cos 165°.