The sides of a triangle are in the ratio 6 : 4 : 3 and its perimeter is 104 cm. The length of the longest side (in cm) is:
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 48
Let sides of a triangle be 6x ,4x ,3x
perimeter of triangle = 104cm
A/C to questions
6x + 4x + 3x = 104
13x = 104
x = 8
longest side = 6x = 6 × 8 = 48 cm