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Damm [24]
3 years ago
7

Match the reasons to the statements in the proof.

Mathematics
2 answers:
Eduardwww [97]3 years ago
7 0
<span>1. m∠1 + m∠5 = 180° and m∠1 + m∠4=180°
Given

2. m∠1 + m∠5 = m∠1 + m∠4
Substitution

3. m∠5 = m∠4
</span>Subtraction property of equality 
<span>
4. Ray YZ is parallel to Ray UV
</span>If alternate interior angles equal, then lines are ||. <span>

</span>
olga nikolaevna [1]3 years ago
6 0

Answer:

1. m\angle 1+m\angle 5=180^{\circ} and m\angle 1+m\angle 4=180^{\circ}; given

2. m\angle 1+m\angle5=m\angle 1+m\angle4; substitution

3.m\angle5=m\angle4; subtraction property of equality

4. Ray YZ is parallel to ray UV; if alternate interior angles equal , then lines are parallel.

Step-by-step explanation:

Given

m\angle1+m\angle5=180^{\circ}

m\angle 1+m\angle4=180^{\circ}

To prove that YZ is parallel to UV.

Proof:

1.Statement: m\angle 1+m\angle5=180^{\circ} and m\angle1+m\angle4=180^{\circ}

Reason; Given

2. Statement: m\angle1+m\angle5=m\angle 1+m\angle4

Reason: By using substitution property

3.Statement: m\angle5=m\angle4

Reason: Subtraction property of equality.

4.Statement: Ray YZ is parallel to Ray UV

Reason: If alternate interior angles equal, then lines are parallel.

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C bisects AB. If AC = 8x - 1 and BC = 4x + 19, what is the length of AB?
tensa zangetsu [6.8K]

The length of AB is 78 units.

<h3>What is a Line Segment?</h3>

A line segment is defined as a measured path between two places. Line segments can make up any polygon's sides because they have a set length.

The figure is given below shows a line segment AB , where the length of line segment AB refers to the distance between its endpoints, A and B.

Given that C is the midpoint of AB

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A______________C______________B

⇒ AB = AC+ BC

Since C is the bisects of AB, So AC = BC

⇒ AB = AC+ BC

⇒ AB = 2AC

Substitute the values of If AC = 8x - 1 and BC = 4x + 19,

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Rearranging the terms in the above equation,

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So AB = 2AC

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8 0
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Applying

s = 2πrθ/360................ Equation 1

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Substitute these values into equation 1

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