area and perimeter of five things
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Here things means geometrical things.
1.plane rectangular paper
area= length×breadth
perimeter = 2( L +B)
2.circular field
area = π r²
perimeter or circumference = 2π r
3.Square tiles
area = side²
perimeter = 4×side
4.wall of height h and length l
area = l×h
perimeter = 2(l +h)
5.circular path of outer radius R and inner radius r
area = π (R² -r²)
perimeter = 2π (R +r)
1.plane rectangular paper
area= length×breadth
perimeter = 2( L +B)
2.circular field
area = π r²
perimeter or circumference = 2π r
3.Square tiles
area = side²
perimeter = 4×side
4.wall of height h and length l
area = l×h
perimeter = 2(l +h)
5.circular path of outer radius R and inner radius r
area = π (R² -r²)
perimeter = 2π (R +r)
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