A towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. The percentage of decrease in area is:
Let original length = x and original breadth = y.
Decrease in area = xy - 80100x×90100y = (7/25)xy
Decrease % = (7/25)xy * (1/xy) * 100 = 28%
The lengths of the diagonals of a rhombus are 16 cm and 12 cm. Its area is:
In a triangle, if the measures of two sides are 5 cm and 8 cm, then the third side can be:
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)
The length of the diagonal and the breadth of a rectangle is 25 cm and 7 cm respectively. Calculate its area (in sq.cm)
The area of an equilateral triangle is 18√3 sq.units. Find the value of side (in units) of the triangle.
An arc length of 16π units subtends an angle of 240 degrees. Find the radius 9in units) of the circle.
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