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Can i get help please , i need these last 2
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5 votes
Can i get help
please , i need these last 2

Can i get help please , i need these last 2-example-1
User Riorudo
by
3.7k points

1 Answer

3 votes

Answer:

the value of x is 20°

Explanation:

angle B=20°

angle A=80°

therefore ,you will now formulate an equation .

2(3x+20)+x=180°

7x+40=180°

7x=140

x=20°

now substitute

x=20°=angle B

3x+20°=80°=angle a

User Juanjo Vega
by
3.5k points
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