UNDERSTANDING QUADRILATERAL & COMPARING QUANTITIES

How many diagonal does a decagon have ?

• 65

• 35

• 27

• 54

How many sides does a regular polygon have, if the measure of its interior angle is 135°.

• 6

• 7

• 8

• 9

The exterior angle of a regular polygon is one-third of its interior angle. How many sides does the polygon have

• 7

• 8

• 9

• 10

The measure of angles of a hexagon are x°, (x-5)°,(x-5)°, (2x-5)°,(2x-5)°,(2x+20)°. Find the value of x.

• 80

• 75

• 60

• 90

PQRSTU is a regular hexagon. Determine each angle of triangle PQT.

• angle P = 90°, angle Q = 60°, angle R = 30°

• angle P = 60°, angle Q = 30°, angle R = 90°

• angle P = 60°, angle Q = 90°, angle R = 30°

• angle P = 90°, angle Q = 30°, angle R = 60°

Determine the number of sides of a polygon whose exterior angle and interior angles are in the ratio 1 : 5.

• 8

• 10

• 12

• 14

The number of diagonals of polygon of n sides is

The angles of a quadrilateral ABCD taken in an order are in the ratio 3 : 7 : 6 : 4. Then ABCD is a

• Kite

• Parallelogram

• Rhombus

• Trapezium

If the diagonals of a quadrilateral bisect each other at right angles, it will be a

• rhombus

• trapezium

• rectangle

• kite

In a square ABCD, the diagonals meet at point O. Triangle AOB is

• an isosceles right triangle

• an equilateral triangle

• isosceles triangle but not right triangle

• scalene right triangle