Math, asked by Anonymous, 10 months ago

please Solve question number 6 in simple language.

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Answered by cutiemoksha

Answer:

angle a is equal to 45 degrees

angle b is equal to 45 degrees

so,angle a and angle b is equal

i hope this help ur answer

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Answered by Anonymous

Answer :D

In ∆ ABC ,

Cos A = opposite side / hypo.

= AC / AB -1

Cos B = adjacent side / hypo.

= BC / AB -2

We gave cos A = cos B

Thus by 1 and 2,

AC / AB = BC / AB

Thus

AC . AB = BC . AB

AC = BC

thus AC and BC are two sides of triangle ABC

Thus angle A = angle B

( angles opposite to equal sides are equal )

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