The video tutorial covers the concepts of perpendicular and angle bisectors, explaining their theorems and converses. It demonstrates how to identify congruence in geometric figures and solve problems using these theorems. The tutorial includes example problems to illustrate the application of the perpendicular bisector theorem and the angle bisector theorem, emphasizing the importance of setting congruent parts equal to solve for unknowns.

What is the key feature of a perpendicular bisector in a triangle?

• It divides the triangle into two equal areas.

• It always passes through the centroid of the triangle.

• It is equidistant from the endpoints of the segment it bisects.

• It creates a 45-degree angle with the base.

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CCSS.HSG.CO.C.9

If a point lies on the perpendicular bisector of a segment, what can be concluded?

• The point lies on the segment itself.

• The point is equidistant from the endpoints of the segment.

• The point is closer to one endpoint than the other.

• The point forms a right angle with the segment.

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CCSS.HSG.CO.C.9

What does the converse of the perpendicular bisector theorem state?

• If a point forms a right angle with the segment, it lies on the perpendicular bisector.

• If a point lies on the segment, it is equidistant from the endpoints.

• If a point lies on the perpendicular bisector, it is closer to one endpoint.

• If a point is equidistant from the endpoints of a segment, it lies on the perpendicular bisector.

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CCSS.HSG.CO.C.9

In problem-solving, what is the common approach to finding congruence?

• Setting the lengths equal to each other and solving for x.

• Using the Pythagorean theorem.

• Calculating the area of the triangle.

• Finding the midpoint of the segment.

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How can you determine if a point lies on the perpendicular bisector of a segment?

• By checking if the point is equidistant from the endpoints of the segment.

• By finding the midpoint of the segment.

• By measuring the angle formed with the segment.

• By calculating the area of the triangle formed.

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CCSS.HSG.CO.C.9

What is the angle bisector theorem?

• If a point is on the bisector of an angle, it is equidistant from the sides of the angle.

• If a point is on the bisector of an angle, it forms a right angle with the sides.

• If a point is on the bisector of an angle, it divides the angle into two equal parts.

• If a point is on the bisector of an angle, it lies on the segment.

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CCSS.HSG.CO.C.9

What can be concluded if a point is equidistant from the sides of an angle?

• The point lies on the angle bisector.

• The point forms a right angle with the sides.

• The point is closer to one side than the other.

• The point lies on the segment.

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What does the converse of the angle bisector theorem state?

• If a point lies on the angle bisector, it lies on the segment.

• If a point lies on the angle bisector, it forms a right angle with the sides.

• If a point is equidistant from the sides of an angle, it lies on the angle bisector.

• If a point lies on the angle bisector, it divides the angle into two equal parts.

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CCSS.HSG.CO.C.9

How do you solve for congruence in problems involving angle bisectors?

• By setting the lengths equal to each other and solving for x.

• By using the Pythagorean theorem.

• By calculating the area of the triangle.

• By finding the midpoint of the segment.

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CCSS.HSG.C.A.3

What is the common approach to solving problems involving both perpendicular and angle bisectors?

• Setting the lengths equal to each other and solving for x.

• Using the Pythagorean theorem.

• Calculating the area of the triangle.

• Finding the midpoint of the segment.

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CCSS.HSG.C.A.3