Question

3. Find the value of x in each of the following figures :
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Answer 1

Answer:

1) x+80=180(as straight angle )

x=180-80

x=100

2)2x+3x=180(as straight angle )

5x=180

x=180/5

x=36

3)2x+3x+2x+3x=180(as straight angle )

10x=180

x=18

Answer 2

Answer:

1. = 100 degree

2. 108 degree , 72 degree

3. 36 , 54,==36 , 54