Best Answer

-- Make sure you have the lengths of all three sides

-- Add up the lengths of all three sides to get the perimeter of the triangle.

Q: How do you work out the perimeter for a triangle?

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The perimeter of a 30-60-90 triangle if the hypotenuse is 3 is: 7.098

That number is called the "perimeter" of the triangle.

49.5 units

Add the lengths of each side together to get the perimeter.

180 degrees

Related questions

the ratio of the perimeter of triangle ABC to the perimeter of triangle JKL is 2:1. what is the perimeter of triangle JKL?

By adding the three sides.

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Add up the sides.

-- Measure or calculate the length of each of its 3 sides. -- Add the lengths of its 3 sides. -- The sum is the perimeter of the triangle.

The perimeter of a triangle is the sum of its 3 sides

The perimeter of a triangle is the sum of its three sides.

There is no reason for the perimeter of a triangle to have any relation to the perimeter of an unrelated rectangle!

The perimeter of a triangle is the sum of its 3 sides

The perimeter of a triangle is the sum of its 3 sides

Add up the length of all sides

The perimeter of a triangle 4.5 by 1.5 is: 10.74