The perimeter of a rectangle is 25 cm, and its dimensions are tripled. What is the perimeter of the larger rectangle?

25 cm

60 cm

75 cm

50 cm

Question

The perimeter of a rectangle is 25 cm, and its dimensions are tripled. What is the perimeter of the larger rectangle? 

 25 cm 

 60 cm 

 75 cm 

 50 cm

anonymous · Answer

Rectangle has two dimensions Length and Width..

What you will get when they both are tripled??

anonymous · Answer

6

anonymous · Answer

See if L is the length and W is the width then on tripling what you will get???

anonymous · Answer

60

anonymous · Answer

Tripling means multiplication by 3..

What do you get when you multiply L with 3??

And what will you get when you multiply W with 3??

anonymous · Answer

75

anonymous · Answer

3*L = ???

Perimeter given is 25..

L and W are unknown...

3*L = ???

3*W = ??