The side lengths of a triangle are given by the expressions 5x+3, 5x+5 and 3x-2. write the expressions for the perimeter of the triangle.

Which statement is not always true for a parallelogram? (a) opposite sides are congruent. (b) diagonals bisect each other. (c) it has 4 congruent angles. (d) consecutive angles are supplementary.

What is the solution of sqrt x+2-15=-3

Use δjkl and δmpn to determine whether don's claim is true or false. which of the following should don use to prove the triangles are similar? sss sas aas aa