Prove that a cyclic rhombus is a square

Prove that the area of a rhombus is equal to half of the product of the diagonals.

State whether the statements are True or False. (v) Every rhombus is a square ( )

If ABCD is a cyclic rhombus, find angleB .

Area of rhombus= area of square(T/F)

Prove that three times the square of any side of an equilateral Triangle is equal to four times the square of the altitude.

A cyclic parallelogram is a

ABCD is a square. E, F, G and H are the mid points of AB, BC, CD and DA respectively. Such that AE = BF = CG = DH . Prove that EFGH is a square.

Prove that the sum of the squares of the sides of a rhombus is equal to the sum of the squares of its diagonals.

Which is cyclic phosphate ?