Question

Direction: In each of the followin
1. In the adjoining figure, (a + b + c+ d)
equals
(a) 240
(b) 280
(c) 290°
(d) 360°
​

Answer 1

Hello,

In Triangle1

a + c + 38° = 180° --------(1)

In Triangle2

b + d + 32° = 180° --------(2)

Eqn (1)+(2)

⇒ a+b+c+d+38°+32° = 360°

⇒a+b+c+d = 360° - 70°

⇒ a + b + c + d = 290°

Thank You!!!

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