3 years ago

If anyone knows how to do this

Mathematics

1 answer:

iogann1982 [59]3 years ago

8 0

Answer:

1) 47

2) 4

Step-by-step explanation:

Complimentary = 90 degrees

1) 43 + ? = 90

? = 47

2) 86 + ? = 90

? = 4

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