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Questions and Answers
What is the sum of the interior angles of a triangle?
What is the sum of the interior angles of a triangle?
- 270 degrees
- 180 degrees (correct)
- 90 degrees
- 360 degrees
Which of the following is a valid trigonometric identity?
Which of the following is a valid trigonometric identity?
- $\tan(x) = \frac{\sin(x)}{\cos(x)}$
- $\sin(x) + \cos(x) = 1$
- $\cot(x) = \frac{1}{\tan(x)}$
- $\sin^2(x) + \cos^2(x) = 1$ (correct)
What is the formula for the area of a circle?
What is the formula for the area of a circle?
- $A = 2\pi r$
- $A = \frac{1}{2} \pi r^2$
- $A = \pi r^2$ (correct)
- $A = \pi r$
Which of the following is the equation of a line in slope-intercept form?
Which of the following is the equation of a line in slope-intercept form?
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