Scale Drawings

1
Scale Drawings

• Geometry

2
Draw the sketches illustrated in order to find
the heights in the following exercise
The angle of elevation to the top of the tree is
30o. Use a scale of 1 cm to 10 m to make a scale
drawing. What is the height of the tree?
3
Draw the sketches illustrated in order to find
the heights in the following exercise
Use a scale drawing to find the height of the
signpost, shown below. The angle of elevation is
39o and the scale is 1 cm to 1 m.
4
Draw the sketches illustrated in order to find
the heights in the following exercise
If the angle of elevation is 15o, what should be
the height of the town house? Use a scale of 1 cm
to 5 m for a scale drawing.
5
Draw the sketches illustrated in order to find
the heights in the following exercise
David sees the traffic light hanging above the
road at an angle of elevation of 15o. David is
15 m away from the traffic light. Use a scale of
1 cm to 3 m for a scale drawing. Find the height
of the traffic light, but remember to add the
height at which David is seating on the car.
6
Draw the sketches illustrated in order to find
the heights in the following exercise
The parachutists altimeter has failed. They know
that they are approximately 600 m horizontally
away from the landing area. The angle of
depression at which they can see the landing area
is approximately 59o. Quickly workout the
height before they hit the ground. Use a scale of
1 cm to 100 m for a scale drawing.
7
Draw the sketches illustrated in order to find
the heights in the following exercise
Use scale drawing to find the height of the bow
of the boat shown below. The scale to use should
be of 1 cm to 10 m.
8
Draw the sketches illustrated in order to find
the heights in the following exercise
Calculate the height of the cliff below when the
distance between it and the boat is 400 m. The
angle of depression is 45o. Choose a suitable
scale for the scale drawing.
9
Draw the sketches illustrated in order to find
the heights in the following exercise
From a point on the ground 300 m from the base of
the Empire State Building, the angle of
elevation to the top of the building is 40o.
Find the height of the Empire State
Building. Choose a suitable scale for the scale
drawing.
10
Draw the sketches illustrated in order to find
the heights in the following exercise
The tourist is admiring the leaning tower of
Pizza in Italy. He is approximately 20 m away
from the tower. If he looks at the top of the
tower the angle of elevation is 17o. How tall is
the tower? Choose a suitable scale for the scale
drawing.