perimeter of a rectangle is 390 cm and its leangth is 120 cm.Find its Area
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Answered by
1
Answer:
Area=9000 cm²
Step-by-step explanation:
Length =120 cm
Perimeter =390
2(l+b)=390
l+b=195
120+b=195
b=195-120
b=75 cm
Area=l×b=75×120
=9000 cm²
Answered by
2
Answer:
Step-by-step explanation:
Perimeter of rectangle = 2*(l+b)
So 390=2*(120+b)
390=240+2b
b=(390-240)/2=150/2=75 can
Area of rectangle = l×b
So area = 125 × 75 = 9000 cms
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