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Unformatted text preview: h of 13.8 cm.
Its other edge length is 21.4 cm.
What is its perpendicular height?
8. A ladder is 7 metres long. It leans against a wall with the foot
of the ladder 2 metres out from the bottom of the wall.
How far up the wall does the ladder reach?
9. In the previous question, if the foot of the ladder is moved another
2 metres away from the wall, by how much will the top slide down the wall?
10. A straight road 8 miles long runs from A to B.
Another straight road goes from B to C and is 3.5 miles long.
The angle between these two roads is a right angle.
It is proposed to build a new straight road from A to C.
What distance would be saved on the journey from A to C?
11. A traditional 5-bar gate is 3.5 metres wide.
The vertical distance between the horizontal bars is 0.5 metres.
What is the length of the diagonal strut? 12. A pattern is made by drawing a large square, then marking the
middle-point of each edge and joining them to make another square.
This is repeated on each square in turn until they become so small
it is im...
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This document was uploaded on 03/01/2014.
- Spring '14