Question

Find x + y + z + w
Ncert Maths
Ch - 3
Ex 3.1
Question 7 (b)​

Answer 1

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Answer 2

x =180°-120°

x = 60°

y =180°-80°

y=100°

z=180°-60°

z=120°

Let one angle of quadrilateral be a

a+120°+80°+60°=360°( sum of angles of quadrilateral is 360° )

a+260°=360°

a=100°

a+w=180°

100°+w=180°

w=80°

x+y+z+w=60°+100°+120°+80°

x+y+z+w = 360°