What is an altitude in a triangle?
Ch.5 Flashcard Review and Section 5-4

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Mathematics
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9th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
An altitude is a segment from a vertex of a triangle that is perpendicular to the line containing the opposite side.
2.
FLASHCARD QUESTION
Front
What is the first step of an indirect proof?
Back
Assume the negation of the statement to be proved is true.
3.
FLASHCARD QUESTION
Front
How do you find the centroid of a triangle with vertices A(x1, y1), B(x2, y2), C(x3, y3)?
Back
The centroid (G) is found using the formula G = ((x1+x2+x3)/3, (y1+y2+y3)/3).
4.
FLASHCARD QUESTION
Front
What is the formula to find the length of a segment between two points (x1, y1) and (x2, y2)?
Back
The length is given by the formula: √((x2 - x1)² + (y2 - y1)²).
5.
FLASHCARD QUESTION
Front
What is a median in a triangle?
Back
A median is a segment from a vertex to the midpoint of the opposite side.
6.
FLASHCARD QUESTION
Front
What is an angle bisector?
Back
An angle bisector is a ray that divides an angle into two equal parts.
7.
FLASHCARD QUESTION
Front
What is a perpendicular bisector?
Back
A perpendicular bisector is a line that divides a segment into two equal parts at a right angle.
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