Use the figure to model the multiplication of 3/4 and 1/2 what's the answer?

Which is the standard form for this number? (4 x 1 100 ) + (8 x 1 1,000 ) + ( 3 x 1 100,000 ) ? a) 0.004803 b) 0.04803 c) 0.0483 d) 0.483

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Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180