the perimeter of a rectangle is 13 cm and its width is 2 3/4 cm.Find its length
Answers
Answered by
1
Step-by-step explanation:
Perimeter =2(l+b)
l+b = Perimeter/ 2
l= Perimeter/ 2 - b
13/2 - 23/4
= 26- 23 /4=3/4cm
Answered by
1
Answer:
l=15/4
Step-by-step explanation:
Perimeter of rectangle = 2(l+b)
13 cm. = 2(l+2 3/4)
=2l+22/4
13-22/4 =2l
52/4-22/4 = 2l
30/4 =2l
2l =30/4
l = 30/4 * 1/2
l = 15/4
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