odalysgise
05.12.2020 •
Mathematics
Is 3 1/4 a rational number
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Ответ:
angle a is 30 degrees
angle b is 60 degrees
angle c is 105 degrees
Step-by-step explanation:
angle a is 30 degrees because it is opposite adjacent to 30 degrees
angle b is 180-90-30 = 60 degrees because all triangles have 180 degrees
angle c is 180-75 = 105 degrees because it is supplementary to 75 degrees, (supplementary angles add up to 180 degrees)