Unformatted text preview: is curve,
by how much does it lean out of the vertical?
24. The legs of a camera tripod are each 130 cm long.
The tripod is set up on a piece of level ground so that
each leg makes an angle of 70º with the gound. What
is the vertical height of the top of the tripod above the
ground?
25. A path going up a cliffface from the bottom to the
top is 700 metres long. Its overall average inclination
to the horizontal is 15º. What is the height of the cliffface? Trigonometry T/22 Find the size of the angle marked ? in each of these rightangled triangles
Drawings are NOT to scale. 3 2 1 23 9 7 10 ?
21 ? ? 9 4 6 12.4 43.8 5
10.1
3.7 16.5 56.2 ?
? ? 8 7 9
27.1 51.8 ?
2.14 3.95 ? 13.3 60.7 ?
? 10 ? 12 11 ?
258
56 18.06
12.46 266
11.4 ? 13 15 14 ? ? 2.11 6.084 86.8 32.0
231.5 18.3 © Frank Tapson 2004 [trolPT:21] T/23 Trigonometry
Find the length of the edge marked ? in each of these rightangled triangles.
Drawings are NOT to scale. 2 1
12 3 ? ? 17 34 38º 57º 53º 4 ? 5 ?
30.6 º 6 49.
3 º 17.8 4.4
31.6 ?
º
38.2 ? 58...
View
Full Document
 Spring '14
 Trigonometry, Frank Tapson

Click to edit the document details