Q: When a 45 45 90 triangle has a hypotenuse of length 7 What is the length of one of its legs?

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14 radical2

12.728 (rounded)

9 The other two legs are 6.364 to the nearest thousandth

Both of the other legs have the same length: about 9.90 units (9.8995)

4.949747468 units, solved with the help of Pythagoras' theorem.

Related questions

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.

4.95

The answer will depend on whether the length is the hypotenuse or one of the legs of the triangle.

The other two legs are 6.364

14 radical2

A right triangle only has two legs, the third side is called the hypotenuse . The square of the length of the hypotenuse is equal to the sum of the squares of the two legs. The square root of the difference of the square of the hypotenuse and the square of one leg is equal to the length of the other leg.

12.728 (rounded)

9 The other two legs are 6.364 to the nearest thousandth

Both of the other legs have the same length: about 9.90 units (9.8995)

4.949747468 units (solved by using Pythagoras' theorem)

4.949747468 units, solved with the help of Pythagoras' theorem.

The length of the leg is 9/sqrt(2) = 6.364 units (approx)