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OpenStudy (anonymous):
A=1/2h(B+b) .... when A=60, B=7, and b=3
8 years ago
OpenStudy (anonymous):
60=1/2h(7+3) 60=1/2h(10) divide by 10 1/2h=6 divide by 1/2/multiply by 2 h=12
8 years ago
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