Question

Two acute triangles are similar. Which of the following must the similar triangles have?

Answer 1

every pair of sides and angles congruent
at least one pair of congruent sides and one pair of congruent angles
congruent corresponding angles and proportional side lengths
a right angle and a hypotenuse

Answer 2

http://www.mathsisfun.com/geometry/triangles-similar.html
http://www.mathopenref.com/similartriangles.html

so what will it be from the above answers, a or c ? :)

Answer 3

congruent corresponding angles and proportional side lengths

Answer 4

So C ?

Answer 5

@matricked beat you @katrinamarie0803
yes C it is