Math, asked by moresaundarya, 9 months ago

class 9 cbse
chapter 6 lines and angles.
please give me answer

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Answers

Answered by Riya233749

Answer:

a)20⁰

Step-by-step explanation:

40⁰+4x+3x=180⁰(linear pair)

40⁰+7x=180⁰

7x=180⁰-40⁰

x=140⁰/7

x=20⁰

Answered by vish143690

Answer:

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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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