If each side of a square is increased by 25%, find the percentage change in its area.
Let each side of the square be a. Then, area = .a2New side =125a100=5a4. New area = 5a42 = 25a216
Increase in area = 25a216-a2=9a216Increase% = 9a216*1a2*100 % = 56.25%.
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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