opposite sides of rhombus

Prove that if both pairs of opposite sides of a quadrilateral are congruent, then the quadrilateral is a parallelogram...

Identify the quadrilateral that has both pairs of opposite sides parallel. => trapezoid or pyramid or triangle or parallelogram..

Identify the polygon that has its opposite sides parallel and of the same length. => triangle or rectangle or pentagon or trapezoid..

The length of one diagonal of a rhombus is twice the other. Area of the rectangle obtained by joining the midpoints of the sides of the rhombus is 18 units. Find the length of the longer diagonal. => 24 units or 12 units or 6 units or 9 units..

ABCD is a rhombus. E, F, G and H are the mid points of the sides.What can you say about the area of EFGH? => Equal to area of ΔABD or Equal to 2 3 area of ABCD or Equal to 3 4 area of ABCD or Equal to the area of ΔAOD..

A triangle PQR has sides of lengths 27 units, 36 units, and 45 units. What is the measure of the angle opposite to the longest side? => 60 or 180 or 90 or 45..

For which type of parallelograms the diagonals bisect the opposite angles? => square only or rhombous, rectangle or square or rhombus or square or rectangle or square..

Select the correct statements. I. Diagonals of a parallelogram bisect the opposite angles. II. Diagonals of a parallelogram divide it into four congruent triangles. III. Opposite sides of a parallelogram are congruent and parallel. => III only or II, & III only or I, &..

In the figure given below, the shaded triangles are congruent and isosceles. Each angle opposite to the sides forming the pentagon measures 72 degrees. The area of each shaded triangle is 'A'. Find the area of unshaded region in the figure. => 27 4 A or 8 A or 5 A or 26 3 A..

What would you call a parallelogram if all its sides and angles are equal? => rhombus or square or rectangle or trapezoid..