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Pepsi [2]
3 years ago
5

Find the measure of Angle 1

Mathematics
2 answers:
tresset_1 [31]3 years ago
8 0
AB || DC
so
m<1 = m<66
Dmitry_Shevchenko [17]3 years ago
8 0

Answer:

66º

Step-by-step explanation:

From the picture we know that AB║CD. Therefore, the line BD is a transversal line between two parallels.

We know that in these cases, the alternate interior angles are the same.

In the picture, angle 1 and the angle that measures 66º are alternate interior angles. Therefore, angle 1 measures 66º as well.

∠1 = 66º

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Answer:

m∠ABE = 27°

Step-by-step explanation:

* Lets look to the figure to solve the problem

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∴ ∠ABF and ∠CBF are right angles

∴ m∠ABF = m∠CBF = 90°

- Rays BE and BD intersect the line AC at B

∵ m∠ABE = m∠DBE ⇒ have same symbol on the figure

∴ BE is the bisector of angle ABD

∵ m∠EBF = 117°

∵ m∠EBF = m∠ABE + m∠ABF

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- Subtract 90 from both sides

∴ m∠ABE = 27°

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3 years ago
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son4ous [18]

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Step-by-step explanation:

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Answer:

4

Step-by-step explanation:

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