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1 . The length of two smaller sides of a right angled triangle are 5 cm and 12 cm respectively. The length of the thirs side is-

A. 15 cm
B. 17 cm
C. 19 cm
D. 13 cm

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Answer: Option D

Explanation:

In a right-angled triangle, you can use the Pythagorean theorem to find the length of the third side if you know the lengths of the other two sides. The Pythagorean theorem states:

c² = a² + b²

Where:

c is the length of the hypotenuse (the third side).
a and b are the lengths of the other two sides.
In this case, a = 5 cm and b = 12 cm. We want to find c:

c² = 5² + 12² c² = 25 + 144 c² = 169

Now, take the square root of both sides to find c:

c = √169 c = 13 cm

So, the length of the third side (the hypotenuse) is 13 cm.

সমন্বিত ৫ ব্যাংক || অফিসার (ক্যাশ) (11-03-2022)

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