One of the legs of a right triangle measures 9 cm and the other leg measures 11 cm. Find the measure of the hypotenuse. If necessary, round to the nearest tenth.

Step-by-step explanation:

Since this is a right triangle, we can use the Pythagorean Theorem to solve for the sides.

where a and b are the legs and c is the hypotenuse. In this triangle, we know the legs are 9 centimeters and 11 centimeters, or:

Substitute these values into the formula.

Solve the exponents.

Add the values on the left side.

Since we are solving for c, we must isolate the variable. It is being squared and the inverse of a square is the square root. Take the square root of both sides.

We are told to round to the nearest tenth.

The 1 in the hundredth place tells us to leave the 2 in the tenth place.

The hypotenuse is equal to 14.2 centimeters.

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