Question

Ratios of atomic masses of co &
1) 3:4 & 3:8
2)3:3 & 2:8
3)3:5 & 3:4
4)1:2 & 2:3

Answer 1

Explanation:

Perimter=sum of all lengths of sides of triangle

⇒ Perimeter =3a {a= side of triangle }

⇒45=3a

⇒a=15cm.