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bekas [8.4K]
3 years ago
9

Triangle ABC has vertices at A(-2.3), B(-3, -6), and C(2, -

Mathematics
2 answers:
nexus9112 [7]3 years ago
5 0

Answer: The right angle is at angle C

Step-by-step explanation:

Yes, the angle is a right angle at C (Edge option D)

mojhsa [17]3 years ago
4 0
No the triangle has no right angles
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irga5000 [103]

Answer:  The flagpole is about 22.3 feet tall.

This is roughly the size of a two story building, assuming each floor is 10 feet or so.

Since this height is under 25 ft, this flagpole is in compliance with the regulation.

=====================================================

Work Shown:

The horizontal leg of the triangle is 36 ft. This is the adjacent leg to the reference angle 25 degrees.

The vertical leg of the triangle is x-5.5, and this leg is the opposite side to the reference angle 25 degrees.

Use the tangent rule to connect the opposite and adjacent sides.

Solve for x.

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tan(25) = (x-5.5)/36

36*tan(25) = x-5.5

x-5.5 = 36*tan(25)

x = 36*tan(25)+5.5

x = 22.28707569358

x = 22.3 ft is the approximate height of the flagpole

Make sure your calculator is in degree mode.

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3 years ago
What type of angles are ECH and FCG?
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Use the commutative and associative properties as needed to simplify the expression.<br>(16+a)+15​
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Answer:The expression can be simplified in following steps;

Step-by-step explanation:

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