Ram drew a line segment AB of length 3cm and another line segment CB of length 4

Question

Ram drew a line segment

A B

of length

3 c m

and another line segment

C B

of length

4 c m

which is perpendicular to line segment

A B

. What is the length of the third side of the triangle?

Options:

A . 5cm

B . 6cm

C . 2cm

D . 1cm

Answer: Option A
:
A
The triangle will be a right angled triangle as

C B

is perpendicular to

A B

.So, the third side can be easily calculated by using Pythagoras theorem.

Ram Drew A Line Segment AB Of Length 3cm And Another Line Se...

Let the length of the third side be

z c m

z^{2} = 3^{2} + 4^{2}

z = \sqrt{25}

z = 5 cm

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