The perimeter of a football field is 400m. What is the area of the field if the length is 120m. ( A ) 8400 ( B ) 9200 ( C ) 9000 ( D ) 9600
Answers
Answered by
1
Step-by-step explanation:
perimeter = 2(l+ b)
400 = 2(120+b)
400 = 240 + 2b
400- 240 = 2b
160 = 2b
b = 80 m
area = l × b
area = 120 × 80
area = 9600 m2
Answered by
0
Step-by-step explanation:
perimeter = 2(l+b)
400 =2(120+b)
b=200-120
= 80m
area =l*b
= 120*80
= 9600
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