Question

GIVING MEDALS AND FANNING !
The figure below shows two triangles EFG and KLM:



Which step can be used to prove that triangle EFG is also a right triangle?

Prove that the sum of a and c is greater than b.

Prove that the sum of a and b is greater than c.

Prove that triangles are congruent by SSS property and hence, angle EGF is equal to angle KML.

Prove that the ratio of EF and KL is greater than 1 and hence, the triangles are similar by AA postulate.