gemmalwoods gemmalwoods

23-02-2021
Mathematics

contestada

ABC is a straight line.
А
B
С
The length of AB is four times the length of BC.
AC = 75 cm.
Work out the length of AB.

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stop000juyles stop000juyles

23-02-2021

Answer:

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

Step-by-step explanation:

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