Triangle A is rotated 180° counterclockwise about the origin. Which figure is the transformed figure?
1 answer:
if you have a picture of the options that would be great! but for now, i’m gonna attach a picture with an example of a transformation.
the first triangle shows what it’s starting at.
the first transformation is turn 90 degrees clockwise.
the second transformation is turned ANOTHER 90 degrees, which would make the total transformation 180 degrees
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Answer:
<h3> To find x you need to divide polygon into triangles</h3><h3>The formula : "the sum of exterior angles=360°" is false for concaved polygons</h3>Step-by-step explanation:
α = 180° - 135° = 45°
β = 180° - 120° = 60°
γ = 180° - 60° = 120°
δ = 180° - x
ε = 180° - 80° = 100°
If we divide the pentagon into five triangles then:
5•180° = α + β + γ + δ + ε + 4x
900° = 45° + 60° + 120° + x + 100° + 4x
900° = 325° + 5x
5x = 575°
x = 115°
60° + 120° + 135° + 80° + 115° = 510° ≠ 360°
