Question

the perimeter of a rectangle field is 80 feet and its width is 10 feet. find the area of that field ?​

Answer 1

Answer:

300

Step-by-step explanation:

• p=2l+2w
• 80=2l+2×10
• 80=2l+20
• 80-20=2l
• 60=2l
• 60÷2
• l=30
• a=l×w
• a=30×10
• area=300