If b lies between a and c, ac = 12cm and bc= 9cm. What is ab2?
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Answer: ab^2 = 9cm , 2ab = 6cm
Step-by-step explanation:
Given:
b lies on ac
ac= 12cm and bc= 9cm
To find:
If you meant ab^2 then,
ab+bc=ac [Euclid's axiom 4: Things which coincide with one another are equal to one another]
ab=ac-bc
ab=12-9
Therefore, ab= 3cm
Now, ab^2=3^2
Therefore, ab^2=9cm
If you meant 2ab then,
2ab=2(3)
2ab=6cm
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