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if x : y = 5 : 12 and z = 52cm, find the perimeter...

Mathematics
JAMB 1989

if x : y = 5 : 12 and z = 52cm, find the perimeter of the triangle.

  • A. 68cm
  • B. 84cm
  • C. 100cm
  • D. 120cm
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Correct Answer: Option D
Explanation

13 = 52

1 = \(\frac{52}{13}\)

= 4

5 + 12 + 13 = 30

Total perimeter = 30 x 4

= 120cm


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