Trigonometry Worksheets

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Unformatted text preview: to scale. 1 3 2 12 ? 7 25º 48º 48º ? ? 12 4 6 24 40 ? 18 ? ? 5 43º 65 º 20º 35 7 8 55 .6º 9 ? º 35.4 ? 53 7º 7. 1 ? 76 10 11 ? 12 ? 12.8 64 .3º 44.2º 75.8º ? 14 13 ? 15 83.6º 7.6 27.4 ? 31.4 60 .5 º 34.5 26.1 ? © Frank Tapson 2004 [trolPT:13] 26 .1º T/13 Trigonometry Find the length of the edge, or size of the angle, marked ? in each of these right-angled triangles. Drawings are NOT to scale. 2 1 ? 3 14 10 28º 5 ? 9 5.9 6 5 6.3 4 49º ? ? ? 15.3 2.1 8.6 ? 52º 8 7 34.8º ? ? 9 ? 26.3 º 26.3 º 29.6 7.81 10 12 11 22 .3 º ? ? 54.1 29.2 17.6 ? 62.3 102 ? © Frank Tapson 2004 [trolPT:14] 31.7 15 14 ? 91.7 ? 59.8º 63.4º 13 .3º 17 386 Trigonometry T/15 (Using tangents) 1. Susan is standing on level ground 70 metres away from a tall tower. From her position, the angle of elevation of the top of the tower is 38º. What is the height of the tower? 2. What would be the angle of elevation of the top of a church steeple, known to be 65 metres tall, to a person standing 135 metres away from it? 3. A...
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This document was uploaded on 03/01/2014.

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