Question

plz solve this 7th question if the answer will correct I will add it to the brainlist answer

Answer 1

Hey mate here is your answer:)

let the sides of triangle = 4x,5x,6x

Perimeter of triangle = sum of all sides

4x+5x+6x= 45
15x = 45
x = 45/15
x = 3cm

So,4x = 4×3 = 12cm
5x = 5×3 = 15 cm
6x = 6×3 = 18cm

Hope it will helps u

Answer 2

4:5:6=4x:5x:6x

so,,

perimeter of a triangle = 4x+5x+6x

= 45cm

15x=45cm

x=45/15

x=3