b) Three angles of quadrilateral are 60°, 70° and 100° final the fourth
angle.​

2 thoughts on “b) Three angles of quadrilateral are 60°, 70° and 100° final the fourth<br />angle.​”

1. [tex]\huge\colorbox{pink}{A᭄ɴsᴡᴇʀ}[/tex]

   [tex]\huge\boxed{\red{メ࿐130°}}[/tex]

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2. Answer:

   We know that the sum of all the angles in a quadrilateral is 360

   Then

   Let the fourth angle be x

   60+70+100+x = 360

   x= 360–60–70–100

   x= 130

   hope it helps you

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