Abc is a straight linethe length of a:b is four times the length of bc ac=75 work out the length of ab
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Answer:
Answer ab=60 cm
Step-by-step explanation:
Let length of bc be x cm
Thus, ab=4x
ab+bc=ac
4x+x=75
5x=75
x=75/5
x=15
Therefore, ab=x=15cm
bc=4x=60cm
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