class 9 cbse
chapter 6 lines and angles.
please give me answer
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class 9 cbse
chapter 6 lines and angles.
please give me answer
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Answer:
a)20⁰
Step-by-step explanation:
40⁰+4x+3x=180⁰(linear pair)
40⁰+7x=180⁰
7x=180⁰-40⁰
x=140⁰/7
x=20⁰
Answer:
4x + 3x + 40 = 180 degree.
7x = 180 - 40 degree.
x = 140/7
x = 20 degree
The value of x = 20 degree
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