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Geography
04.02.2021 02:36
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The Himalayas and Tibet are the archetypical example of a(n) mountain belt. Group

The Himalayas and Tibet are the archetypical example of a(n) mountain belt. Group of answer choices Andean transform continental rift collisional
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gracerhodes4305
gracerhodes4305
5,0(73 marks)

BC = 7 cot55

Explanation:

Given

See attachment for figure

AC = 7

\angle B = 70^{\circ}

Required

What is length BC

Considering side length AC, side length BC and angle 70,

The relationship between these parameters is:

tan\angle B = \frac{opposite}{adjacent}

tan\angle B = \frac{AC}{BC}

Make BC the subject:

BC = \frac{AC}{tan\angle B}

Substitute values for AC and \angle B

BC = \frac{7}{tan55}

Expand

BC = 7*\frac{1}{tan55}

In trigonometry:

cot \theta = \frac{1}{tan\theta}

So, we have:

BC = 7 * cot55

BC = 7 cot55


The picture below shows a right-triangle-shaped charging stand for a gaming system: The side face of

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