Question

Q.2 Do as directed.

1. The measure of three angles of a quadrilateral is 30˚, 70˚ and 100˚. Find out

the measurement of fourth angle.

(1)​

Answer 1

Answer:

160°

Step-by-step explanation:

Plz refer to the pic given

Hope It Helps

Answer 2

Answer:

The fourth angle is equal to 160°.

Step by step explanation:

Let the fourth angle be x

Sum of all the angles of a quadrilateral = 360°

∠1+∠2+∠3+∠4 = 360°

Therefore,

30°+70°+100°+x = 360°

200°+x = 360°

Hence,

x = 360° - 200°

= 160°