Calculate the length of the sides and diagonals of the quadrilateral on the right .

Calculate the length of the sides of the equilateral triangle on the right correct to a millimeter. .

Calculate the length of sides of quadrilateral. .

In the picture, the perpendicular is drawn from the midpoint of the hypotenuse of a right triangle. to the base. Calculate the length of the third side of the large right triangle and the lengths of all three sides of the small right triangle.

Prove that the.circumcentre of an equilateral triangle is the same as its centroid. i) Calculate the length of a side. of an equilateral triangle with vertices on a circle of diameter 1 ceritimetre. ii). Calculate the perimeter of such a triạngle.

Calculate the length of sides of the rectangle given below.

Given statement in (a) and (b). Identify the statements given below as contrapositive or converse of each other . If the quadrilateral is a parallelogram then its diagonals bisect each other 1 )If the diagonals of a quadrilateral do not bisect each other, then the quadrilateral is not a parallelogram 2) if the diagonals of a quadrilateral bisect eachother , then it is a parallogram

Write the sequence ofthe number of diagonals in a quadrilateral, pentagon, hexagon etc. What is its algebra?

In the quadrilateral ABCD shown below, /_A= /_C=90^@ , /_ABD= 45^@ /_CDB=60^@ and AB=6cm.Find out the lengths of the other sides of the quadrilateral.