Find ,giving your answer correct to 3 significant fig where necessary a. 60%of 850
1 answer:
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A=1/2h(b+c)
times both sides by 2/1
2A=h(b+c)
divide both sides by h
=b+c
minus c from both sides
-c=b
times both sides by 2/1
2A=h(b+c)
divide both sides by h
minus c from both sides