Question

plz solve it triangle and its properties

Answer 1

I hope it will help you

See the solution in picture

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Answer 2

let the smallest angle be x  

if one is twice of x,then the angle will be 2x

and other angle is 3 times of x which is equal =3x 

as we know that the sum of angles of triangle is  180

then 

x+2x+3x=180

6x=180

x=180/6

x=30

then the angles will be 

30, 30(2) and 30(3)

angles will be 30,60,90

i hope this will help you