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30-11-2018
Mathematics

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If the perimeter of triangle ABC is 45, what is the perimeter of triangle CRB?

If the perimeter of triangle ABC is 45 what is the perimeter of triangle CRB class=

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cbmoore28 cbmoore28

30-11-2018

Answer:

b. 54

Step-by-step explanation:

45 is original perimeter for ABC. You subtract 16 and 9 from 45 to get the missing side B which is 20. To answer the the perimeter for triangle CRB you add 20 to the other sides which is 15 and 19. The total is 54.

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