Ch.5 Flashcard Review and Section 5-4

Ch.5 Flashcard Review and Section 5-4

Assessment

Flashcard

Mathematics

9th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is an altitude in a triangle?

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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