Question

* Do as Dinected.
(1) The measure of three angles of a
quadrilateral is 30 degree, 70 degree and 100 degree. Find out
the measurement of fourth angle​

Answer 1

Answer:

360 - (100+70+30) = 160

Answer 2

Answer:

let fourth angle be x

30+70+100+x=360

200+x=360

x=160°

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