Question

The legs of a right triangle have lengths of 4 and 5 units. Find the length of the hypotenuse

Answer 1

H=√25+16
=√36 units
=6units
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Answer 2

Answer:

Length of the third side = 3 units.

Step-by-step explanation:

There is an mistake in the data. It may be like this.

Let a,b and c are sides of a right angled triangle and c is the hypotenuse.

It is given that,

a = 4 units ,

c = 5 units ,

b = ?

By Pythagoras theorem:

c² = a²+b²

=> 5² = 4² + b²

=> 25 = 16 = b²

=> 25-16 = b²

=> b² = 9

=> b = √9

=> b = √3²

=> b = 3 units

Therefore,

Length of the third side = 3 units.

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