Mathematics
19.04.2023 19:21
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Find the measures of the numbered angles in isosceles trapezoid for question

Find the measures of the numbered angles in isosceles trapezoid for question
Find the measures of the numbered angles in isosceles trapezoid for question
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jharb65
jharb65
4,4(27 marks)
Because it's iscosceles, angle 1 is similar size to the angle on the right leg.
∠1 = 67°

The sum of interior angles in trapezoid equals to 360°.
And because it's iscosceles, the upper angles are in the same size. We can write it as,
the sum of angles = 360°
67° + 67° + ∠2 + ∠2 = 360°
134° + 2 × ∠2 = 360°
2 × ∠2 = 360° - 134°
2 × ∠2 = 226°
∠2 = 113°

Final answer
∠1 = 67°
∠2 = 113°
ErnieIrwin
ErnieIrwin
5,0(13 marks)

x = 27

Step-by-step explanation:

The little square at the bottom of the figure means that that angle is a right angle, or 90°. Knowing that it's a 90° angle and that one section of the adjacent angle is 63°, we just calculate 90-63 to get 27, the value of x.

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