12/16/2022 Sub Assignment

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the formula for calculating the perimeter of a triangle?
Back
The perimeter of a triangle is the sum of the lengths of its three sides: P = a + b + c.
2.
FLASHCARD QUESTION
Front
What does a translation of (x, y) -> (x-2, y+7) represent?
Back
It represents a translation 2 units to the left and 7 units up.
3.
FLASHCARD QUESTION
Front
What is a reflection in geometry?
Back
A reflection is a transformation that flips a figure over a line, creating a mirror image.
4.
FLASHCARD QUESTION
Front
What does it mean to rotate a figure 90 degrees clockwise around the origin?
Back
It means to turn the figure 90 degrees in the direction of the clock hands around the origin point (0,0).
5.
FLASHCARD QUESTION
Front
How do you find the area of a triangle?
Back
The area of a triangle can be found using the formula: Area = 1/2 * base * height.
6.
FLASHCARD QUESTION
Front
What is the difference between a translation and a rotation?
Back
A translation moves a figure without changing its orientation, while a rotation turns a figure around a point.
7.
FLASHCARD QUESTION
Front
What is the effect of reflecting a point across the x-axis?
Back
Reflecting a point (x, y) across the x-axis results in the point (x, -y).
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