An isosceles triangle has an area of 42 m², and the angle between the two equal sides is 66°. Find the length of the two equal sides I CAN'T DOWNLOAD ANYTHING, PLEASE NO LINKS

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x