Question

the sides of triangle are in ratio 1:2:3 and its perimeter is 90 cm, then its longest side is.
A.) 30 cm
B.) 6 cm
C.) 45 cm
D.) 32 cm​

Answer 1

Answer:

45 cm

Step-by-step explanation:

sum of ratio= 1+2+3= 6

please mark be as brainliest

Answer 2

Let the side be x,2x,3x
Perimeter of triangle = side + side+ side
90=x+2x+3x
90=6x
x=15
Side= 15cm
2x= 30cm
3x = 45cm
Therefore the longest side = 45cm
C) 45cm
I hope this helps hope