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Vera_Pavlovna [14]
3 years ago
13

Which pair of angles is an example of supplementary angles?

Mathematics
1 answer:
artcher [175]3 years ago
6 0

Answer:

A. Angle 1 and Angle 7

Step-by-step explanation:

Those two are the only angles that when added up, the sum is 180.

Angle 7 and Angle 2 are also congruent, so if Angle two forms a straight line with Angle 1, Angle 7 should be able to do that too.

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A triangular pyramid is formed from three right triangles as shown below.
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Answer:

  FH = 108

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The given figure requires we use the Pythagorean theorem to write two relations involving right triangle side lengths. The Pythagorean theorem tells us the square of the hypotenuse is the sum of the squares of the other two sides.

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<h3>Triangle EGH:</h3>

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<h3>Triangle FGH:</h3>

  FG² = GH² +FH²

  FH² = FG² -GH² = 117² -2025 = 11664 . . . . solve for FH², use known values

  FH = √11664 = 108 . . . . . take the square root

The length FH is 108.

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