Question

In right angle lmn m=90 degree if i'm =12cm and [ln ]=20cm find the length of seg mn

Answer 1

By using pythagoras theorem,

IN^2= IM^2+ MN^2

20^2=12^2+ MN^2

400=144+MN^2

400-144=MN^2

256=MN^2

MN=
$\sqrt{256}$

MN = 16.


Length of MN is 16 cm.

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