understanding elementary shapes and basic geometrical ideas clas

Type of triangle

8 cm , 5 cm , 10 cm

• Right angled triangle

• Isoslesce triangle

• Scalene triangle

• Equilateral triangle

True or false

The measure of an acute angle <90 degree is ?

A triangle has

• None

• Both i and ii

• Three quadrilaterals

• Open curve

3/4 of revolution or __ angle

• 4

• 2

• 5

• 3

It is better to use a divider than a ruler to

• Check angles

• Make a line

• It is fat

• None

180 degree=

Where will the hand of the clock stop if starts at 12 and make 1/4 of revolution anticlockwise

• 11

• 6

• 9

• 3

An angle whose measure is more than 180⁰ but less than 360⁰ is called ______ angle

• Straight angle

• Reflex Angle

• Complete angle

• Obtuse angle

A rhombus with 4 right angles is called_____

• Parallelogram

• Rectangle

• Square

• None of the above

What type of angle is shown?

• obtuse

• right

• straight

• acute