Math, asked by aabhaji, 1 year ago

how to solve plz help

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Answered by ashk02

hope this helps you
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Answered by devil9311

Let one angle = x

Common difference is 20
Then...
Second angle = x + 20
And
Third angle = x + 20 + 20 = x + 40

Sum of all angles of a triangle is 180°

=> (x)° + (x + 20)° + (x + 40)° = 180°

=> 3x + 60 = 180

=> 3x = 180 - 60

=> 3x = 120

=> x = 120/3

=> x = 40

Smallest angle = 40°

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