In a quad ABCD Angle A 2x+35 angle B 3x-5 Angle C x+10 Angle D 4x+20 what is the value of x​

x =

Explanation:

The sum of the interior angles of a quadrilateral is , so that from the given question:

<A + <B + <C + <D =

(2x + 35) + (3x - 5) + (x + 10) + (4x + 20) =

10x + 60 =

10x = - 60

     = 300

x =

  = 30

x =

So that,

<A = (2x + 35) = (2*30 + 35) =

<B = (3x - 5) = (3*30 - 5) =

<C = (x + 10) = (30 + 10) =

<D = (4x + 20) = (4*30 + 20) =

Thus,

+ + + =

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