Answers

  • qais
  • Content Quality
2016-03-25T08:50:18+05:30
Le ∠P =2x,∠P = 3x and ∠R = 7x
sum of all angles = 360°
∠P +∠Q+∠R+∠S = 360°
∠P +∠Q+∠R +60° =360°
⇒2x +3x+ 7x = 300°
⇒12x= 300
⇒x = 25
so,∠P = 50°, ∠Q = 75° , ∠R = 175°

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2016-03-25T09:11:20+05:30
Sum of angles of pqrs=360
angle p =2x
angle q=3x
angle r=7x
angle s= 60
p+q+r+s=360
2x+3x+7x+60=360
2x+3x+7x=300
12x=300
x=300÷12
x=25
therefore, angle p= 2×25=50
angle q= 3×25=75
angle r= 7×25=175
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