Question

triangle ABC is right angled at C.if AC = 5cm and BC= 12 cm.find the length of AB​

Answer 1

Step-by-step explanation:

i think it is helpful to you

Answer 2

Step-by-step explanation:

Correct option is A)

Vector Addition

REF.Image

Given , ΔABC is right angled at C.

AC=5cm

BC=12cm

AB=?

Using Pythagoras theorem.

REF.Image

c

2

=a

2

+b

2

c=

a

2

+b

2

so in ΔABC

AB=

(AC)

2

+(CB)

2

AB=

(5)

2

+(12)

2

AB=

25+144

AB=

169

AB=13cm