find the shaded area
Answers
Answer:
each corners are occupied by (3/4)πr² and centre is πr². = 4(3/4)πr² = 3πr²
the area of square is a² = 60²
area of shaded portion is total square area - 3πr²
= 3600-3×3.14× 17.5² = 715.125 cm²
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Answer:
Hello
Answer of this question is
1358.25 cm ( 2 ) ( 2 = square )
steps to find answer
First of all find the area of whole square
side of square = 60 cm
Area of square = 3600 cm (2)
Now find the area of 2 circle
one is in the middle of square and another is present in the form of 4 quarters
Area of circle = π r (2)
Radius of middle circle = 21
Radius of another circle = 17.5
According to this
Areas of circle are 1323 cm ( 2) and 918.75 cm (2)
Add the areas of circle
Areas of circle 1 + area of circle 2 = 1323 + 918.75 = 2241.75
Subtract the above value from the area of square
3600 - 2241.75 = 1358.25
area of shaded region = 1358.25