Question

What is the value of x?

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Answer 1

Answer:

25

Step-by-step explanation:

Given is a right angled triangle.

So by Pythagoras theorem:

${x}^{2} = {24}^{2} + {7}^{2} \\ \\ {x}^{2} = 576 + 49 \\ \\ {x}^{2} = 625 \\ \\ x = \pm \sqrt{625} \\ \\ x = \pm \: 25 \\ \\ \because \: x \: can \: not \: be \: - ve \\ \\ \therefore \: x = 25$

Answer 2

The letter “x” is often used in algebra to mean a value that is not yet known. It is called a “variable” or sometimes an “unknown”. (Hope this answer is help full)