Question

12. Find the sum of a + b + C + d in the following figures. (a) (b) bo 70° 105 b 95 Chus 75 009 110° d Pa q​

Answer 1

Answer:

360

Step-by-step explanation:

Answer 2

Answer:

in fig 1

angle a = 180°-60° = 120° ( linear pair )

angle b = 60° ( alternate angle )

angle c = 75° ( corresponding angle )

angle d = 105° ( alternate angle )

angle a + b + c + d = 120+60+75+105 = 360°

I don't know how to solve fig 2 but the answers of fig 1 are correct