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12-03-2021
Mathematics

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Find the perimeter of ABC

Find the perimeter of ABC class=

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thebecks thebecks

12-03-2021

Answer:

Perimeter = 54

Step-by-step explanation:

PB/7 = (10+PB)/21)

21PB = 70 + 7 PB

14PB = 70

PB = 5

Perimeter m= 21 + 18 + 15 = 54

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