Properties of a Rhombus

$ABCD$ is a rhombus. If $\angle ACB=80°$, then find the measure of $\angle ADB$.

Which of the following properties is true for the diagonals of a rhombus?

What is a quadrilateral with two pairs of equal adjacent sides?

A rhombus is a _____ with all the sides equal.

The sum of exterior angles of a quadrilateral is equal to _____.

In the figure, $PQRS$ is a square and $PQTU$ is a rhombus. $\angle UPS=136°$. Find $x$ and $y$.

The diagonals of rhombus $ABCD$ intersect at $O$. If $AC=12 \mathrm{cm}$ and $BD=16 \mathrm{cm}$, find the length of its side.

The size of the obtuse angles of a rhombus is twice the size of its acute angle. Find the acute angle. (Write the answer without degree)

The two unequal diagonals of a parallelogram bisect each other at right angles. What special name is given to this parallelogram? Write the properties of a parallelogram.

The adjacent sides of a parallelogram are not equal. Is it a rhombus? Give reasons.

A quadrilateral which has two pairs of equal adjacent sides but unequal opposite sides is called _____ .

The diagonals of a _____ bisect each other at right angles.

If two adjacent sides of a parallelogram are equal, then it is called _____.

The diagonals of a rhombus are _____ to each other. (equal / perpendicular)

If the length of one side of a rhombus is equal to the length of one diagonal, find the angles of the rhombus.