Question

helppp I need a quick answer​

Answer 1

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Q1 =>

1. 2x=90

x=90/2

x=45

2. 2x+30+x = 180 ----> {linear pair axiom}

3x+30=180

3x=180-30

3x=150

x=150/30=5

3. x+2x+15=90

3x=90-15

3x=75

4. x+9x-15= 180 -----> {linear pair axiom}

10x=180+15

10x=195

x=19.5

Q2 =>

<a = 35 , <b= ? , if <a and <b are

1. complementary

<a + <b = 90

35+<b=90

<b=55

2. supplementary

<a+<b=180

35+<b = 180

<b = 145

Q3 =>

2x + 48 = 90

2x= 42

x=21

Hope it helps!

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