Punctele A, B si C sunt coliniare in aceasta ordine. Aflati lungimea segmentului:a)AB, daca AC=20cm, BC=0,12dm

The length of the segment AB is 18.8 cm or 1.88 dm

Step-by-step explanation:

The question in English is

Points A, B and C are collinear in this order. Find the length of the segment: a) AB, if AC = 20 cm, BC = 0.12 dm

we have that

----> by Addition segment postulate

substitute the given values in centimeters

Remember that

so

solve for AB

Convert to dm

therefore

The length of the segment AB is 18.8 cm or 1.88 dm

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step-by-step explanation:

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