UNDERSTANDING QUADRILATERALS CLASS VIII

Front

If three angles of a quadrilateral are each equal to 75°, then, the fourth angle is

Back

135°

Front

For which of the following figures, diagonals are perpendicular to each other? Options: Parallelogram, Kite, Trapezium, Rectangle

Back

Kite

Front

Figures with all sides congruent, all angles right angles, and opposite sides parallel.

Back

Square

Front

What is the sum of all the angles of a pentagon?

Back

540°

Front

If two adjacent angles of a parallelogram are (5x – 5) and (10x + 35), what is the ratio of these angles?

Back

1 : 3

Front

The angles of a quadrilateral are in the ratio 1 : 2 : 3 : 4. What is the smallest angle?

Back

36°

Front

In a parallelogram PQRS, if one angle is 60°, what are the other three angles?

Back

60°, 120°, 120°

Front

If two adjacent angles of a parallelogram are in the ratio 2 : 3, what are the measures of the angles?

Back

72°, 108°

Front

Find the values of x and y in the following parallelogram.

Back

20⁰

Front

Find the value of x in the trapezium ABCD given below.

Back

80⁰