Question

the heasure of three angle of a quadrftateral is 30°, 70°, and 100° find out the measurement of fourth angle​

Answer 1

Answer:160°

Step-by-step explanation:

Sum of angles in a quadrilateral =360°

Let the fourth angle be 'x'

So,

30+70+100+x=360

200+x=360

x=160°

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Answer 2

30+70+100+x=360

200+x=360

360-200=x

x=160