Question 1 :
The lengths of two sides of a right angles triangle which contain the right angle are 'a' and 'b' respectively. Three squares are drawn on the three sides of the triangle on the outer side. What is the total area of the triangle and the three squares?
Question 2 :
If the radius of a circle is tripled, the ares becomes.
Question 3 :
A circle and a square have same area. The ratio of the sideof the square and the radius of the circle is
Question 4 :
A wire is in the shape of a square of perimeter $64cm$. A rectangle is formed with this wire such that its length is $20cm$. Then, the area of the rectangle is _____ .
Question 5 :
There is an equilateral triangle of side 5 cm The maximum number of equilateral triangles (of side 1 cm) cut out will be
Question 6 :
The sides of a triangle are 5 cm , 12 cm and 13 cm Then its area is
Question 7 :
What is the circumference of a circle whose radius is 8 cm?
Question 8 :
A square and an equilateral triangle have equal perimeters If the diagonal of the square is$ \displaystyle 6\sqrt{2}cm $ then the area of the triangle is
Question 9 :
Cirumference of a circle is S cm, and its area is A sq cm. which one of the following relations is true?
Question 10 :
If the area of the circle be $ \displaystyle 154 cm^{2},$ then its radius is equal to:
Question 11 :
The side of a square is $2 cm$ and semicircles are constructed on each side of the square, then the area of the whole figure is
Question 12 :
The difference between the radii of the smaller circle and the bigger circle is $7 cm$ and the difference between the areas of the two circles is $1078$ sq cm. What is the radius of the smaller circle in cm?
Question 13 :
Length and breadth of a rectangle are 3.2 m and 150 cm Then the area is<br>
Question 15 :
If the area of a rectangle is equal to the area of a square and if one side ($l$) of the rectangle is equal to the perimeter of the square, then the other side ($b$) of rectangle is _______ .
Question 16 :
A circle of radius x has an area twice that of a square of side a. The equation used to find the radius ofthe circle is