AndrewJ9723528847 AndrewJ9723528847

08-10-2020
Mathematics

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Given ∠A and ∠B are vertical angles with m∠A=20x+10 and m∠B=30x−10 .

What is x?

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GauriUdashin GauriUdashin

08-10-2020

Answer:

since angle a and b are vertical angles

therefore we can say that,

i) <A=<B

or,20x+10=30x-10

or,10+10=30x-20x

or,20=10x

.°. x=10.

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Haileyf2 Haileyf2

27-10-2020

Answer:

9

Step-by-step explanation:

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