Answer :
⠀
Explanation :
- This is Right Angled Triangle.
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Solution :
We'll solve this using the Pythagorean Theorem.
where,
- AB (20 cm) is the perpendicular
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We know that,
[tex]{\longrightarrow \bf \qquad (AC) {}^{2} = (AB) {}^{2} +( BC) {}^{2} } \\ \\ [/tex]
Now, we will substitute the given values in the formula :
[tex]{\longrightarrow \sf \qquad (AC) {}^{2} = (20) {}^{2} +( 48) {}^{2} } \\ \\ [/tex]
We know that, (20)² = 400 and (48)² = 2304. So,
[tex]{\longrightarrow \sf \qquad (AC) {}^{2} = 400 + 2304 } \\ \\ [/tex]
Now, adding 400 and 2304 we get :
[tex]{\longrightarrow \sf \qquad (AC) {}^{2} = 2704 } \\ \\ [/tex]
Now, we'll take the square root of both sides to remove the square from AC :
[tex]{\longrightarrow \sf \qquad \sqrt{ (AC) {}^{2}} = \sqrt{2704} } \\ \\ [/tex]
When we take the square root of (AC)² , it becomes AC,
[tex]{\longrightarrow \sf \qquad AC = \sqrt{2704} } \\ \\ [/tex]
We know that, square root of 2704 is 52 .
[tex]{\longrightarrow \sf{\pmb{ \qquad AC = 52 }}} \\ \\ [/tex]
So,
- The measure of the missing side (AC) is 52 cm .
