Question

good morning .please tell me this Question​

Answer 1

Answer:

1. 45°
2. 50°
3. x=35°
4. x=70°
5. x =15°

Answer 2

(a)=180⁰-135⁰=45⁰

(b)=70⁰+50⁰=120⁰

= 180⁰-120⁰

= 60⁰

(c) =2x-5+3x+10=180⁰

= 5x+5=180⁰

= 5x=175⁰

=x=175/5

=x=35

(d) 115⁰= 2x-25

2x=115+25

x= 140/2

x= 70⁰

(e) 4x+6x+2x= 180⁰

x= 180/12

x= 15