Amelia has 22 1/2 cm of ribbon. She cuts it into pieces that are 1 7/8 cm long. How many pieces does she have?
1 answer:
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Okay first, use the sin rule (
so
sin^-1 this and you get 47.928....this is angle ADB
and as it is on a straight line, 180 - this angle gets ADC
180 - 47.928.... = 132.07
so
sin^-1 this and you get 47.928....this is angle ADB
and as it is on a straight line, 180 - this angle gets ADC
180 - 47.928.... = 132.07