Question

∆ABC is an isosceles triangle right angle at C.If AB²=98cm what is the length of two sides​

Answer 1

Answer:

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

[hence proved]

Step-by-step explanation:

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