+0  
 
0
78
7
avatar+58 

 

2. A 3 meter wide sidewalk surrounds a rectangular garden that is 4 meters by 6 meters. Find the area of the sidewalk only.

 Mar 30, 2021
 #1
avatar+118666 
+2

First  one

 

Note  that  AB / DE  =  22 / 11  =  2 / 1  =  2

 

So  each correseponding side of ABC to that of DEF  is  twice as long

 

So

 

x  = 34 /  2   =  17

 

And 

 

y  =  2 * 13   =   26 

 

cool cool cool

 Mar 30, 2021
 #2
avatar+118666 
+2

2. A 3 meter wide sidewalk surrounds a rectangular garden that is 4 meters by 6 meters. Find the area of the sidewalk only.

 

If you can picture this......

 

We  have  four   3 x 3 squares at the corners =  4 * (3 * 3)   =  36 m^2

 

Also  we  have  two  4 x 3  rectangles on two sides  =  2 * ( 4 * 3)   =  24 m^2

 

And we  have two  6 x 3  rectangles on two sides  =  2 * ( 6 * 3)  = 36 m^2

 

Total area of sidewalk  =  (36 + 24 + 36)   =   96 m^2

 

 

cool cool  cool

 Mar 30, 2021
edited by CPhill  Mar 30, 2021
 #4
avatar+58 
+1

thank you so much!

KindaFrisky  Mar 30, 2021
 #6
avatar+118666 
+1

Welcome.....

 

 

cool cool cool

CPhill  Mar 30, 2021
 #3
avatar
+3

2)   With the border the area becomes   10 x 12 = 120  m2      subtract the garden  4x6

       120 - 24 = 96 m2

 Mar 30, 2021
 #5
avatar+58 
+2

thank you!

KindaFrisky  Mar 30, 2021
 #7
avatar+31722 
+2

You're welcome.....    cheeky

ElectricPavlov  Mar 30, 2021

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