Which of the following sets of numbers could represent the lengths of the sides of a triangle?
A 2, 2,5
B 3,3,5
C 4,4,8
D 5,5, 15

In trapezoid efgh, m∠gfe=63∘. identify m∠ghe. !

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Are triangles the congruent? write the congruency statement.what is the congruency that proves they are congruent? what is the perimeter of ∆pqr?