Understanding Elementary Shapes

Which direction is 90 degree from west anticlockwise

• North

• West

• East

• South

At which number the hour hand reach if it is at 12 after turning 90 degree in clockwise manner ?

• 11

• 9

• 5

• 3

Straight angle = _______________________ ( pls write degree in words )

how many sides does octagon have ?

A parallelogram with 4 right angles = ____________

• Square

• Rectangle

• Rhombus

• Trapezium

How many vertices make an Edge

A Scalene triangle has ___________________ and ____________ with different measure .

• all sides and 1 vertex

• all sides and all edge

• all sides and all angles

• all of the above

Which instrument is used to measure an angle

How much degree this angle is equal to ?

• 90 degree

• 20 degree

• 45 degree

• all of the above

Sri Lanka is to which direction with India