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To find this you'll need to know the lengths of the other two (or possibly a couple of angles). The basic formula is Pythagorean Theorum is:
A (squared) + B (squared) = C (squared) with C being the longest side. Just
plug in the length of the two sides you know and solve for the third.
Wiki User
∙ 11y ago
Wiki User
∙ 11y agoFirst you have to know the measure of at least one angle.
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The perimeter of a triangle is 57 the first side is twice the length of the second side the third side is seven more than the second side what is the length of each side?
the perimeter of a triangle is 86 inches. the largest side is four inches less than twice the smallest side. the third side is 10 inches longer than the smallest side. what is the length of each side?
Is a 5cm by 12cm a right triangle?
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The altitude of an equilateral triangle is 8cm . find the side?
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One side is not enough. For a right triangle the third side can be calculated by Pythagoras' Theorem if you know the length of any two sides.
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The length of the third side of an equilateral triangle is the same as the lengths of both of the other two sides.
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13 in
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Perimeter of a triangle = (length of the first side) plus (length of the second side) plus (length of the third side)
How do you find the length of the third side of a right angled triangle?
a2 +b2 = c2 (c is the longest side/or hypotenuse)
If one side of a triangle is 11 and the other side is 5 what is the minimum length of the third side?
The minimum third side length of a triangle having one side of 11 and another side of 5 is 6.
How do you find the midsegment of a triangle?
A midsegment of a triangle is parallel to the side of the triangle, and it's length is half the length of that side
What is the measure of the third side of an equiteral triangle have?
The length of the third side is the same as the length of either of the other two sides.
A radius of a regular triangle is 12 Find the length of one side of the triangle?
A radius of a regular triangle is 12 . find the length of one side of the triangle?
What equation do you use to find the adjacent side length of a triangle if you know the hypotenuse and the opposite side?
Third side = sqrt(hyp2 - opp2)
What is the length of the third side in 6.0 and 8.0?
If the third side is the hypotenuse of a right triangle, it is 10.0
HOW do you find the similar ratio of a triangle?
Divide the length of a side of one triangle by the length of the corresponding side of the other triangle.
