+0  
 
0
48
1
avatar

The length of a large rectangular room is 7 metres more than its width. If the perimeter is 34 metres, the length of the room, in metres, is:

 Apr 10, 2020
 #1
avatar+1116 
0

Answer: 12 (metres)

 

Explanation:

Let the length be a. Then the width is a-7.

Now, the perimeter is 2(a-7)+2(a)=4a-14, which is 34.

a=12 meters.

 

You are very welcome!

:P

 Apr 11, 2020

21 Online Users

avatar