Question

ABC is an isosceles triangle right angled at C. Which theorem will you use to prove that AB² = 2AC². *

1. BPT

2. Converse of Pythagoras Theorem

3. Ratio of areas of similar triangles

4. Pythagoras theorem

​

Answer 1

Step-by-step explanation:

ddffgk ddxgghn

1. ccvggvvbbvv
2. sdgvvnngg
3. ccvvbbnm

Answer 2

In △ABC,

By Pythagoras Theorem,

(AB)

2

=(AC)

2

+(BC)

2

.....(1)

Since, △ABC is an isosceles triangle,

∴ AC=BC....(2)

∴ From (1) and (2),

(AB)

2

=2(AC)

2

[henceproved]