Geometry Class work , i need help please

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In right ∆ABC, C is a right angle and sin A = 243/312 . What is mB?

Mar 9th, 2015

Answer:

we have mA = arcsin(243/312) = 51.2 degrees

so mB = 90 - 51.2= 38.8 degrees

Mar 9th, 2015

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Mar 9th, 2015
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Mar 9th, 2015
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