UNDERSTANDING ELEMENTARY SHAPES

What is a degree of acute angle.

• < 90 degree

• > 90 degree

• = 90 degree

What angle is this

• Obtuse angle

• Right angle

• Acute angle

A line segment can be measured by using

• Ruler

• Compase

• Divider

• Both i and iii

What revolution identify and what angle is this

• 1\4 of a revolution and 1 right angle

• 3\4 of a revolution and acute angle

• 1\2 of a revolution and obtuse angle

What part of a revolution have you turned through if you stand facing east and turn clockwise to face west

• 1/4

• 3/4

• 1/2

The measure of reflex

• 180 degree

• 90 degree

• 270 degree

Which angle is this

• obtuse angle

• right angle

• acute angle

• Pentagon

• Octagon

• Hexagon

• Pyramid

• Sphere

• Cuboid

One pair of parallel sides

• Parallelogram

• Rhombus

• Trapezium