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Sagot :
The missing measures are listed below:
- [tex]m \angle 1 = m \angle 3 = m \angle 6 = 59^{\circ}[/tex]
- [tex]m\angle 2 = m\angle 4 = m\angle 5 = m \angle 11 = 31^{\circ}[/tex]
- [tex]m\angle 7 = m\angle 8 = m\angle 9 = m\angle 10 = 118^{\circ}[/tex]
Procedure - Finding missing angles in a quadrilateral
In this question we must determine the measures of the missing angles by both geometric and algebraic means, whose procedure is presented below:
- [tex]x = 59^{\circ}[/tex] Given
- [tex]m \angle 3 = 59^{\circ}[/tex] Alternate internal angles
- [tex]m \angle 11 = 31^{\circ}[/tex] Complementary angles
- [tex]m \angle 4 = 31^{\circ}[/tex] Alternate internal angles
- [tex]m \angle 6 = 59^{\circ}[/tex] Isosceles triangle
- [tex]m \angle 9 = 62^{\circ}[/tex] Sum of internal angles in a triangle
- [tex]m \angle 10 = 118^{\circ}[/tex] Supplementary angles
- [tex]m \angle 8 = 62^{\circ}[/tex], [tex]m\angle 7 = 118^{\circ}[/tex] Vertical angles
- [tex]m \angle 2 = 31^{\circ}[/tex] Sum of internal angles in a triangle
- [tex]m \angle 5 = 31^{\circ}[/tex] Sum of internal angles in a triangle
- [tex]m \angle 1 = 59^{\circ}[/tex] Sum of internal angles in a triangle/Result
The missing measures are listed below:
- [tex]m \angle 1 = m \angle 3 = m \angle 6 = 59^{\circ}[/tex]
- [tex]m\angle 2 = m\angle 4 = m\angle 5 = m \angle 11 = 31^{\circ}[/tex]
- [tex]m\angle 7 = m\angle 8 = m\angle 9 = m\angle 10 = 118^{\circ}[/tex]
To learn more on angles, we kindly invite to check this verified question: https://brainly.com/question/15767203
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