9
Lines
Inclined Lines
Observe the picture on the right.
The ground is horizontal and the tree is vertical.
Now answer the following questions:
(a) Is the ladder horizontal ? ____________
(b) Is the ladder vertical ? ____________
We say that the ladder is inclined.
The ladder is inclined upward from left to right.
An inclined line is neither horizontal nor vertical.
A line can be inclined upward or inclined downward from left to right.
Examples of inclined lines:
Inclined upward Inclined downward
4. Fill in the blanks with 'vertical' or 'horizontal'.
Let's work out
(a) The line shown is
_________________
(b) The sign post is
_________________
ladder
tree
ground