If the radius of a circle is decreased by 50%, find the percentage decrease in its area.
Let original radius = R.
New radius = 50100R= 50100R
Original area =R2 and new area = πR2
Decrease in area = πR22=πR24 = 75%
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In the given figure, if AB=8Cm, AC=10Cm, ∠ABD=90° and AD=17Cm, then the measure of CD is
In the given figure, ∠APO=35° if then which of the following options is correct?
The area of a semicircle is 77 sq.cm. Calculate its perimeter (in cm)
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An arc length of 16π units subtends an angle of 240 degrees. Find the radius 9in units) of the circle.
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