Question

Ans) (a)Find x+y+z+w.​

Answer 1

Step-by-step explanation:

x + 120 =180 ( linear pair)

x = 180 - 120

x = 60

80 + y = 180 (linear pair )

y = 180 - 80

y = 100

60 + z = 180

z = 180 - 60

z = 120

x + y + z + a = 360 ( sum of angles in parallelogram)

60 + 100 + 120 + a = 360.

a = 360 - 280

a = 80

w + a = 180 (linear pair)

w + 80 = 180

w = 180 - 80

w = 100

x + y + z + w = 60 + 100 + 120 + 100

= 480.

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