# The chimney

How high is the chimney if we see it from a distance of 60 m at an angle of 42°?

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**Tom**

I have a part I'm making I need to find the length in inches. One end is 1"dia the other end is 1.75"dia the sides are 28deg or 56deg included

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#### You need to know the following knowledge to solve this word math problem:

**algebra**- expression of a variable from the formula
**planimetrics**- right triangle
- triangle
**goniometry and trigonometry**- tangent

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