state and prove pythagorus theroem
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Answer:
Pythagorus Theorem- In right angled triangle the square of hypotenuse is equal to sum of square of other two sides.
Step-by-step explanation:
proof-ABC is a triangle in which angle ABC=90 °
Construct BD perpendicular AC
in triangle ABD and ABC
angle A= A
Angle ABD is equal to ABC
so, AD/AB=AB/AC
AB square =AD×AC
similarly
BC square= CD× AC
Adding both equation
AB sq. + BC sq.= AD×AC+CD×AC
AC(AD+CD)
AC×AC
AB sq.+ BC sq.= AC sq.
hence proved
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