The sides of a right triangle are 3 and 4 units long. What is the length of the hypotenuse ?

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Solution

The correct option is A $5$
Let the sides be a, b and c. Let c be the hypotenuse.
$a = 3, b = 4$
According to pythagoras theore,
$c^{2} = a^{2} + b^{2}$
$c^{2} = 9 + 16 = 25$
$c = 5$

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The sides of a right triangle are 3 and 4 units long. What is the length of the hypotenuse ?

The correct option is A 5Let the sides be a, b and c. Let c be the hypotenuse.a=3,b=4According to pythagoras theore,c2=a2+b2c2=9+16=25c=5

The correct option is A $5$
Let the sides be a, b and c. Let c be the hypotenuse.
$a = 3, b = 4$
According to pythagoras theore,
$c^{2} = a^{2} + b^{2}$
$c^{2} = 9 + 16 = 25$
$c = 5$