Write an expression in simplest form for the perimeter of a right triangle with leg lengths of 12a5 and 9a5.

Given:

The lengths of legs of a right triangle are and .

To find:

The perimeter of a right triangle.

Solution:

In a right angle triangle,

On further simplification, we get

Now, the perimeter of the triangle is the sum of all of its sides.

Therefore, the perimeter of the right triangle is .

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step-by-step explanation: