5. The cost of a notebook increased from $4.30 to $4.58, what is the percent increase?
1 answer:
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<h3>Area of shaded region is 21.5 square centimeter</h3>
<em><u>Solution:</u></em>
The area of the shaded region is equal to the area of the square minus the area of the circle
<em><u> Find the area of the square</u></em>
Where, "a" is the length of each side
From given figure in question,
a = 10 cm
<em><u>Find the area of circle </u></em>
The area of the circle is given as:
Where, "r" is the radius of circle
Diameter = 10 cm
Thus,
<em><u>Find the area of the shaded region</u></em>
Area of shaded Region = Area of Square - Area of Circle
Area of shaded Region = 100 - 78.5 = 21.5
Thus area of shaded region is 21.5 square centimeter