Answer:
Step-by-step explanation:
What are the answer options
Answer:
x = 8
Step-by-step explanation:
since the triangle is isosceles then the 2 legs are congruent, that is both 4x - 3
the perimeter is the sum of the 3 sides , that is
x + 4x - 3 + 4x - 3 = 66
9x - 6 = 66 ( add 6 to both sides )
9x = 72 ( divide both sides by 9 )
x = 8
5 to 8 right or there more
Could use a diagram, but just remember<span> </span>collinear points<span> all lie on a straight line, in the three dimensional world, when a set of </span>points<span> all lie on the same plane, they are called </span>coplanar<span>. </span>
