In a quadrilateral PQRS, ∠P=70⁰
, ∠Q=70⁰
, ∠R=55⁰
. Find the measure of ∠S. What kind of a
quadrilateral is it?Convex or Concave? Give reasons.
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Step-by-step explanation:
in quadrilateral sum of angles = 360
angle s= 360-70-70-55
angle s = 165 degrees
it is neither concave nor convex
its a obtuse angle since it is more than 90 degrees
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