Trigonometry

5 Questions
0 Answers

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1093

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Trigonometry

The fireman is 1.8 meters tall and the length of his shadow is 3 meters. If the length of the buildings shadow is 26.4 meters calculate the height of the building and the angle of elevation to the sun?

Trigonometry Feb 11, 2017

+5

634

1

+25

Super Urgent

Develop a rule to describe what happens to the Sound Intensity Level L, as you double your distance from the source of sound. Your rule may be stated in any format and you must show that it is true for all values of L.

Trigonometry May 24, 2016

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805

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+25

Urgent

Jack and Jill are standing on level ground 100m apart. A large tree is due North of Jack and on a bearing of 065 from Jill. The top of the tree appears at an angle of elevation of 25 degrees to Jill and 15 degrees to Jack. Find the height read more ..

Trigonometry May 16, 2016

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555

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+25

Yr 10 maths

In a triangle ABC where AB = 6.71cm BC = 5.83cm and AC = 7.81cm . What is angle CAB?

Trigonometry May 16, 2016

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643

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Yr 10 maths

A yacht sails on a bearing of 065 for 4km and then sails 8km along a bearing of 195. Find the distance and bearing of the yacht from its starting position

Trigonometry May 16, 2016