What is the formula for the area of a triangle?
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Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Area = 1/2 * base * height
2.
FLASHCARD QUESTION
Front
How do you find the constant of proportionality in a direct variation?
Back
The constant of proportionality (k) is found by dividing the dependent variable by the independent variable (y/x = k).
3.
FLASHCARD QUESTION
Front
What is the value of x in the equation 2x + 3 = 15?
Back
x = 6
4.
FLASHCARD QUESTION
Front
What is the measure of an angle in a triangle if the other two angles are 30° and 60°?
Back
The measure is 90° (sum of angles in a triangle is 180°).
5.
FLASHCARD QUESTION
Front
If a = 1, b = -4, and c = -5, what is the value of 6a + b - c?
Back
7
6.
FLASHCARD QUESTION
Front
What is the relationship between the height and base of a triangle when the area is known?
Back
Area = 1/2 * base * height; if area and height are known, base can be calculated as base = 2 * Area / height.
7.
FLASHCARD QUESTION
Front
What is the definition of a proportional relationship?
Back
A relationship where two quantities maintain a constant ratio.
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