If the length of the diagonal of a square is 20cm,then its perimeter must be

a. 402cm     b. 302cm    c. 10cm    d. 152cm

Find the length of one side of a rhombus whose area is 24 sq.cm and the sum of the lengths of its diagonals is 14 cm.

The volume of a cube is 274.625 cm³. Find its side (in cm).

If the perimeter of a semicircle is 72 cm, then find its area (in cm²).

The area of a square is 42.25 cm². Find its perimeter (in cm).

The area of a right angled triangle ABC, right angled at B, is 46 sq units. A median is drawn from A to BC which intersects at D. Find the area (in sq. units)of triangle ABD.

The area of the triangle whose vertices are given by (2,4), (-3,-1) and (5,3) is

If the cost of 17 m of cloth is Rs. 77 5/7, find its cost per meter in Rs.?

ABC is an equilateral triangle of side 6 cm. If a circle of radius 1 cm is moving inside and along the sides of the triangle, then the locus of the centre of the circle is an equilateral triangle of side is