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What is the Triangle Angle Bisector Theorem?

Back

The Triangle Angle Bisector Theorem states that the angle bisector of an angle in a triangle divides the opposite side into two segments that are proportional to the lengths of the other two sides.

Tags

CCSS.HSG.CO.C.9

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How do you apply the Triangle Angle Bisector Theorem to find missing lengths in a triangle?

Back

To apply the Triangle Angle Bisector Theorem, set up a proportion using the lengths of the sides adjacent to the angle and the segments created on the opposite side by the angle bisector.

Tags

CCSS.HSG.CO.C.9

Front

If a triangle has sides of lengths 8 and 6, and the angle bisector divides the opposite side into segments of lengths x and y, what is the relationship between x and y?

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The relationship is given by the proportion 8/6 = x/y.

Tags

CCSS.HSG.CO.C.9

Front

What is the formula for finding the length of the angle bisector in a triangle?

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The length of the angle bisector can be found using the formula: l = (2ab)/(a+b) * cos(C/2), where a and b are the lengths of the sides adjacent to the angle, and C is the angle.

Tags

CCSS.HSG.CO.C.9

Front

What is the significance of the angle bisector in triangle geometry?

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The angle bisector is significant because it helps in determining the proportional lengths of the sides and can be used in various geometric constructions and proofs.

Tags

CCSS.HSG.C.A.3

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How can the Triangle Angle Bisector Theorem be used to solve for unknown variables in a triangle?

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By setting up a proportion based on the lengths of the sides and the segments created by the angle bisector, you can solve for unknown variables using algebra.

Tags

CCSS.HSG.CO.C.9

Front

What is the relationship between the segments created by the angle bisector and the sides of the triangle?

Back

The segments created by the angle bisector are proportional to the lengths of the other two sides of the triangle.

Tags

CCSS.HSG.CO.C.9

Front

Can the Triangle Angle Bisector Theorem be applied to any type of triangle?

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Yes, the Triangle Angle Bisector Theorem can be applied to all types of triangles, including scalene, isosceles, and equilateral triangles.

Tags

CCSS.HSG.CO.C.9

Front

What is an example of a problem that can be solved using the Triangle Angle Bisector Theorem?

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An example problem could involve finding the length of a segment on the opposite side of a triangle when the lengths of the other two sides and one segment are known.

Tags

CCSS.HSG.CO.C.9

Front

How does the Triangle Angle Bisector Theorem relate to the concept of similar triangles?

Back

The Triangle Angle Bisector Theorem implies that the segments created by the angle bisector are proportional, which can lead to the formation of similar triangles.

Tags

CCSS.HSG.CO.C.9