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Use the hypotenus theorem. the side opposite the right angle squared is equal to each of the other 2 sides squared and then added together

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Q: What is the length of side x in the 45 45 90 triangle?
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Related questions

What do you know in a 45-45-90 triangle?

In a 45-45-90 triangle, both legs are congruent and the length of the hypotenuse is square root of 2 times the length of the leg.


How to figure the length of one side of a triangle with only the length of the long side and some degrees?

you might be able to use tangent, sine, or cosine. you might be able to use the Pythagorean theorem, or you can used 30-60-90 triangle theorem or 45-45-90 triangle theorem


If 45- 45- 90 triangle has a hypotenuse of length 18 units What is the length of one of the legs?

If a 45- 45- 90 triangle has a hypotenuse of length 18 units, the length of both of the other legs is: 12.73 units.


If two sides of a triangle equal 45 what does the third equal and what kind of triangle is this?

If two sides of a triangle each have length of 45 units, then the triangle is isosceles,and the third side can have any length less than 90 units.


A 45-45-90 triangle has a hypotenuse of length 7 What is the length of one of its legs?

4.95


What statement is true about 45-45-90 triangle?

It is a right angled triangle with legs of equal length.


If the side opposite a 45 degree angle in a right triangle is 12.5 meters how long is the side adjacent to the angle?

It's also 12.5 meters. The two sides of the triangle are the same length, because it is an isosceles right triangle(90-45-45).


When A 45-45-90 triangle has a hypotenuse of length 14 What is the length of one of its legs?

14 radical2


A 45-45-90 triangle has a hypotenuse of length 7 - what is the length of the legs?

The length of both of the other legs is: 4.95


A 45-45-90 triangle is an example of an isosceles right triangle?

yes, because isosceles triangle is a triangle with two sides of equal length.


A 45 45 90 Triangle has a hypotenuse of length 18 units What is the length of one of the legs?

12.728 (rounded)


When a 45-45-90 triangle has a leg length of 18 what is the length of its hypotenuse?

Here the side lengths are equal so the hypothenuse is 18 x sqrt 2 = 25.45 from the pythagoraen theorem