in the given figure angle D= angle E and triangle abc is isoceles with ac=bc then show that triangle cde similar to triangle??​

Which of the binomials below is a factor of this trinominal? x^2-13+30

Which of the following statements is not true? a.parallel lines are lines in the same plane that never intersect. b.congruent figures have the same shape and same size angles and sides. c.similar figures must have the same shape and the same size. d.a rotation is when you turn a figure around a certain point.

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how