Math, asked by rajeshtat75337, 11 months ago

If three angles of a quadrilateral are 20deg,90deg and 90deg,find the fourth angle of the quadrilateral.

Answers

Answered by Charmcaster

1

Step-by-step explanation:

sum of angles of quadrilateral is 360°

∅+20°+90°+90°=360°

∅=160°

Answered by AkhilaJ

1

Answer:

160

Step-by-step explanation:

360=(20+90+90)-x

360=200-x

360-200=x

160=x

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