What is the length of the missing leg?

What is the length of the remaining side of the right triangle?

Possible Answers:

Correct answer:

Explanation:

Rearrange the Pythagorean Theorem to find the missing side. The Pythagorean Theorem is:

 where 

is the hypotenuse and and  are the sides.

The hypotenuse of a right triangle is 26 in and one leg is 10 in.  What is the sum of the two shortest sides?

Possible Answers:

Correct answer:

Explanation:

We use the Pythagorean Theorem so the problem to solve becomes

where = unknown leg length

So

and

The sum of the two legs becomes

Possible Answers:

Correct answer:

Explanation:

Find the length of the unknown side,

, of the right triangle below.

Possible Answers:

Correct answer:

Explanation:

We need to use the Pythagorean Theorem, which says that

.

Since we need to find the length of 'a', we can just solve for 'a'.

In our case, c = 12 and b = 9.

Thus,

.

Find the missing leg of the right triangle when one of the legs is

 and the hypotenuse is .

Possible Answers:

Correct answer:

Explanation:

In order to find the missing side of a right triangle you must use one of two things:

1. Pythagorean Theorem

2. Trigonometry.

Since we only know what the side lengths are we must use the Pythagorean Theorem.

a=4, b=x, and c=5

So the missing side length is 3

Given that the hypotenuse of a right triangle is

 and one side is , find the other side length.

Possible Answers:

Correct answer:

Explanation:

To find the length of the missing side, you can either use the pythagorean theorm or realize this is a case of a special right triangle with sides

.

Thus, the other side length is

.

Find the length of the missing side.

Possible Answers:

Correct answer:

Explanation:

Recall the Pythagorean Theorem for a right triangle:

Since the missing side corresponds to side 

, rewrite the Pythagorean Theorem and solve for .

Now, plug in values of 

 and  into a calculator to find the length of side . Round to  decimal places.

Find the length of the missing side.

Possible Answers:

Correct answer:

Explanation:

Recall the Pythagorean Theorem for a right triangle:

Since the missing side corresponds to side 

, rewrite the Pythagorean Theorem and solve for .

Now, plug in values of 

 and  into a calculator to find the length of side . Round to  decimal places.

Find the length of the missing side.

Possible Answers:

Correct answer:

Explanation:

Recall the Pythagorean Theorem for a right triangle:

Since the missing side corresponds to side 

, rewrite the Pythagorean Theorem and solve for .

Now, plug in values of 

 and  into a calculator to find the length of side . Round to  decimal places.

Find the length of the missing side length.

Possible Answers:

Correct answer:

Explanation:

Recall the Pythagorean Theorem for a right triangle:

Since the missing side corresponds to side 

, rewrite the Pythagorean Theorem and solve for .

Now, plug in values of 

 and  into a calculator to find the length of side . Round to  decimal places.

Laura
Certified Tutor

California State University-Fullerton, Bachelor in Business Administration, Business Administration and Management.

Krishna
Certified Tutor

University of Illinois at Urbana-Champaign, Bachelors, Political Science and Philosophy.

Jon
Certified Tutor

Siena Heights University, Bachelor in Business Administration, Business Administration and Management. Northcentral Universit...

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