JAMB - Mathematics (1989 - No. 31)
if x : y = 5 : 12 and z = 52cm, find the perimeter of the triangle.
68cm
84cm
100cm
120cm
คำอธิบาย
13 = 52
1 = \(\frac{52}{13}\)
= 4
5 + 12 + 13 = 30
Total perimeter = 30 x 4
= 120cm
1 = \(\frac{52}{13}\)
= 4
5 + 12 + 13 = 30
Total perimeter = 30 x 4
= 120cm