In a right triangle the cosine of an acute angle is 1/2 and the hypotenuse measures 7 inches. what is the length of the side of the triangle adjacent to this angle? a)1. b)3.5 c)6.1 d)7

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

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

50 points~ ! i have to turn this in tomarrow