3 years ago

6

Mathematics

1 answer:

Juli2301 [7.4K]3 years ago

4 0

Step-by-step explanation:

a+b+c=180°

64°+b+c=180°

b=c

2b+64°=180°

2b=180-64

2b=116°

b=116/2

b=58°=c

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Step-by-step explanation:

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