Question

please thats an emergency please tell me fast answer and incorrect comment will be reported ​

Answer 1

Answer:

Step-by-step explanation:

For No3. The angle is a straight angle and sum all angles on a straight line is equal to 180 degrees. So that will be a⁰+49⁰=180⁰. To solve this you have to collect like terms. You have to carry the 49⁰ to the other side of the equal to sign changing it to -49⁰ because it will change signs after it crosses the=. So that will be a⁰= 180⁰- 49⁰. Therefore, a⁰= 131⁰