1.why can’t a triangle be congruent to a quadrilateral ?

2.why can’t an isosceles triangle be congruent to a triangle that is not isosceles ?

i did it but my math teacher said it was wrong.

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

What is the measure of enter your answer in the box.