if x : y = 5 : 12 and z = 52cm, find the perimeter of the triangle.
A
68cm
B
84cm
C
100cm
D
120cm
Verified Correct Answer: D.
Step-by-Step Mathematical Solution
13 = 52
1 = \(\frac{52}{13}\)
= 4
5 + 12 + 13 = 30
Total perimeter = 30 x 4
= 120cm
Source: Myschool Past Questions Archive (Record #31594)