Saturday

September 20, 2014

September 20, 2014

Posted by **hard questions PLZZ answer!** on Thursday, November 29, 2012 at 4:40pm.

The length of the hypotenuse of a right triangle is 15 cm. The length of one leg is 9 cm. Find the length of the other leg.

6 cm

12 cm

17 cm

144 cm

- math -
**Steve**, Thursday, November 29, 2012 at 4:45pm9^2 + x^2 = 15^2

81 + x^2 = 225

x^2 = 144

x = 12

or, since you are familiar with the 3-4-5 right triangle, you might have noticed that

9 = 3x3

15 = 3x5

so the other leg would be 3x4 = 12

- math -
**Ms. Sue**, Thursday, November 29, 2012 at 4:45pmUse the Pythagorean Theorem.

a^2 + b^2 = c^2

a^2 + 9^2 = 15^2

Solve for a.

**Answer this Question**

**Related Questions**

contemporary math - suppose that the length of one leg of a right triangle is 2...

Math Algebra - The length of the hypotenuse of a right triangle is 30 m. The ...

math - The length of the hypotenuse of a right triangle is 13 m. The length of ...

Math - Algebra - The length of the hypotenuse of a right triangle is 13 cm. The ...

Math - The length of the hypotenuse of a right triangle is 15 cm. The length of ...

math/geometry - complete the statements: To find the length of the hypotenuse of...

math - 5. Find the length of the hypotenuse of a right triangle with legs of 20 ...

Geometry - I need help in this problem: A 14-foot ladder is leaning against a ...

Math - The length of one leg of a right triangle is 8ft. The length of the ...

Algebra 2 - The hypotenuse of a right triangle is 25m long. The length of one ...