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Chapter 8: Q5. (page 292)

Find the value of x from the given figure.

Short Answer

Expert verified

The value of x is 103.

Step by step solution

01

Step 1. Given information.

The two sides are given 10 and 20.

02

Step 2. Theorem used.

We use Pythagoras Theorem.

Pythagoras Theorem state that in a right angle triangle, the square of the hypotenuse is equal to the sum of squares of other sides.

03

Step 3. Now find the value.

Calculation:

102+x2=202100+x2=400x2=300

Taking square root we get.

x=卤300x=卤310

Since, distance is a positive quantity. So, we neglect negative sign.

Therefore, the value of xis 310.

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