Can someone me with q? i need to check my answer.

Can you draw an isosceles triangle with only one 80 degree angle?

Which functions are even? check all of the boxes that apply. f(x) = x4 – x? f(x) = x2 – 3x + 2 f(x) = (x - 2) f(x) = x done

Need on this one asap im almost done with this subject