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-- 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.

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βˆ™ 2013-05-21 07:14:47
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Q: How do you work out the perimeter of a non right-angled triangle?
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Related questions

Perimeter of non right angled triangle?

The perimeter of a triangle is simply the sum of the lengths of its three sides. Knowing that it is right angles (or not) is rarely of help.

Why do you think non-right triangles don't uphold the Pythagrean therom?

First of all, it is clear that a right angled triangle does conform to Pythagoras. So, take any rightangled triangle, and without changing the length of the small sides, slightly reduce the right-angle to something smaller. What was the hypotenuse is now smaller than it was, so its square is now smaller. But the sum of the squares of the other 2 sides hasn't changed. So the Pythagoras result does not work for this new situation.

How do l work out the area of a triangle?

A right triangle is easy, simply multiply the two sides and divide by two. A non-right triangle is a bit more of a challenge. You have to make it a right triangle by adding a right triangle to it. Calculate and then subtract the area of what you had to add.

What is a non equilateral triangle?

A triangle with sides that do not have equal lengths.

What are all the diffent kinds of triangle?

right triangle - has one 90° angle Pythagorean triangle - right triangle whose side lengths are all integers oblique triangle - has no 90° angle acute triangle - each angle is less than 90° obtuse triangle - one angle is greater than 90° equilateral triangle - angles are 60°-60°-60° isosceles triangle - has two equal angles scalene triangle - has three different angles rational triangle - all side lengths are rational integer triangle - all side lengths are integers Heronian triangle - all side lengths and area are integers equable triangle - has a perimeter of n units and and area of n square units degenerate triangle - angles are 0°-0°-180° planar triangle - a triangle drawn on a flat surface (plane) non-planar triangle - a triangle drawn on a curved surface spherical triangle - a non-planar triangle on a convex surface, like the Bermuda Triangle hyperbolic triangle - a non-planar triangle on a concave surface

What is example of a perimeter of a non simple closed curve?

what is an non exsample of an perimrter

What is a non-degenerate triangle?

A non-degenerative triangle has 3 vertices which does not lie on a stright line. i.e the are not collinear

What is a non congruent rectangle?

a triangle. . .

Is triangle a pitched or non pitched instrument?

Triangles are non-pitched.

What kind of percussion is a triangle?

A triangle is not necessarily pitched or non-pitched. It is more of an accessory.

Can trig functions work on non-right triangles?

Yes. Look up the law of sines and the law of cosines as examples. there are also formulas that can find out the area of a non-right triangle.

What different perimeters are possible?

Any non-negative number can be a perimeter.

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