Solve For n. n/5 > n/4 - 1/20

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?