Semester 1 Exam Review (Geometry)updated

Flashcard
•
Mathematics
•
10th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of a midpoint in geometry?
Back
A midpoint is a point that divides a line segment into two equal parts.
2.
FLASHCARD QUESTION
Front
If Q is the midpoint of PR and PQ = 6x - 7, QR = 5x + 1, how do you find the length of PR?
Back
Set PQ = QR, solve for x, then use either PQ or QR to find the length of PR.
3.
FLASHCARD QUESTION
Front
What is the angle bisector theorem?
Back
The angle bisector theorem states that the angle bisector of an angle in a triangle divides the opposite side into segments that are proportional to the adjacent sides.
4.
FLASHCARD QUESTION
Front
If m∠FBC = (10x - 9)° and m∠CBE = (4x + 15)°, how do you find m∠FBE?
Back
Use the angle bisector theorem: m∠FBE = m∠FBC + m∠CBE.
5.
FLASHCARD QUESTION
Front
What is the sum of the interior angles of a triangle?
Back
The sum of the interior angles of a triangle is always 180°.
6.
FLASHCARD QUESTION
Front
How do you find the measure of a missing angle in a triangle?
Back
Subtract the sum of the known angles from 180°.
7.
FLASHCARD QUESTION
Front
What is the definition of complementary angles?
Back
Complementary angles are two angles whose measures add up to 90°.
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