Question

solve it pls really really fast​

Answer 1

1. 100
2. 50
3. 36,54
4. -2

Hope it helps

Answer 2

Answer:

angle a+b+c = 180°

90°+60°+c =180°

c = 30°

then one line is equal to 180°

so, 30°+x =180°

x = 150°