Question

In a right triangle, the sides that form the right angle are the legs; the longest side (opposite the right angle) is the hypotenuse. Some textbooks say that when two right triangles have congruent pairs of legs, the right triangles are congruent by the reason LL. In our work, LL is just a special case of one of the postulates in this section. Which postulate is that

Answer 1

SAS postulate

Explanation:

Given

LL postulate

Required

What type of postulate is LL

LL means 2 legs are equal.

When 2 legs of the right triangle are equal, then it means that two sides of the right triangle

In the actual sense, this postulate is SAS postulate where 2 sides are also equal.

Hence, the LL postulate is a special case of SAS