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Sav [38]
3 years ago
14

Can someone please help me on this one? I will give BRAINLIEST to whoever has the correct answer.

Mathematics
1 answer:
Reptile [31]3 years ago
6 0
I think the first one is 4x=3

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The measure of one acute angle in this right triangle is 23°. What is the measure of the
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3km 5hm multiplied by 15 equals what
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3 years ago
Given: mAngleADE = 60° and mAngleCDF = (3x + 15)°
Alexeev081 [22]

The missing reason in step 3: is vertical angles are congruent, while the missing reason in step 5 is: definition of congruency.

<h3>What are Vertical Angles?</h3>

Two angles are referred to as vertical angles is:

  • They share the same vertex angle.
  • They are non-adjacent angles.
  • They do not share a common side.

<h3>What is the Vertical Angles Theorem?</h3>

According to the vertical angles theorem, two angles that are vertical angles must be congruent to each other, that is, they are equal in measure.

In the image given, as attached below, angle EDF and angle ADC are vertical angles pair. Therefore, based on the vertical angles theorem, they have equal measure (they are congruent to each other).

Thus, the missing reason in step 3: is vertical angles are congruent, while the missing reason in step 5 is: definition of congruency.

Learn more about vertical angles on:

brainly.com/question/14362353

#SPJ1

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