Math, asked by aryandeep001319, 9 months ago

11) Three angles 2x, 40 and 5x
make a straight line then the
value of xis
A) 40
O B) 20
C) 60
D) None

Answers

Answered by ashwingangwal861

1

Answer:

2x+40+5x =180

7x+40=180

7x=180-40

x=140÷7

x=20

answer is 20

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