a lawn is in the shape of semi circle of diameter 35 dm.the lawn is surrounded by a flower bed of width 3.5 dm all around.find the area of flower bed in dm square
Answers
Answered by
12
area of flower bed = πr²/2. where r =d/2
r=17.5dm
r=17.5dm
Answered by
35
Answer:
Step-by-step explanation:
Inner radius =
We are given that .the lawn is surrounded by a flower bed of width 3.5 dm all around
Outer radius = 17.5 dm + 3.5 dm = 21 dm
Area of semicircle =
Area of the flower bed = Outer area - inner area
=
=
Hence the area of flower bed is
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