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andreev551 [17]

2 years ago

6

Find the values of a and b

1 answer:

never [62]2 years ago

5 0

Step-by-step explanation:

b=

180-40=2b

b=70°

a= 180-90-70

a=20°

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Step-by-step explanation:

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Anna71 [15]

Answer:

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Step-by-step explanation:

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