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Mathematics

2 answers:

Mariana [72]3 years ago

5 0

Answer:

Yes, the given measures can be the lengths of the sides of a triangle.

Step-by-step explanation:

hope this helps

Lerok [7]3 years ago

5 0

Answer:

Yes; the sum of any two sides is greater than the third.

Step-by-step explanation:

Longest side < sum of two shorter sides

19.1 < 8.5 + 13

19.1 < 21.5 is a true statement

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skad [1K]

Answer:

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Step-by-step explanation:

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2 years ago

A 96 foot tree casts a shadow that is 120 feet long. What is the angle of elevation of the sun? Round to the nearest degree.

zysi [14]

Answer:

$\alpha \approx 39^{\circ}$

Step-by-step explanation:

Let assume that tree grows perpendicular to surface. The statement is geometrically represented in the attachment included below, which resembles a right-angled triangle. Lastly, the angle of elevation of the sun is determined with the help of the following trigonometric relationship:

$\tan \alpha = \frac{96\,ft}{120\,ft}$