SOLUTION: the length of a rectangle is fixed at 20cm. What widths will make the perimeter greate than 76cm I thought the formula was L=w+76 This is where I confuse myself could you ple

Question 357099: the length of a rectangle is fixed at 20cm. What widths will make the perimeter greate than 76cm
I thought the formula was L=w+76
This is where I confuse myself could you please help me
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi,

*Note: Perimeter(distance all away around) is the sum of the lengths of ALL four sides.

2*l + 2*w = P

length of a rectangle is fixed at 20cm.

What widths will make the perimeter greater than 76cm

2*20cm + 2w >76cm

40cm + 2w >76cm

2w > 36cm

w > 18cm





 

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