If each side of a regular pentagon equals 4 feet , what is its permiter

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

Write the pair of fractions as a pair of fractions with a common denominator

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