| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.38 |
| Score | 0% | 68% |
A right angle measures:
90° |
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360° |
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45° |
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180° |
A right angle measures 90 degrees and is the intersection of two perpendicular lines. In diagrams, a right angle is indicated by a small box completing a square with the perpendicular lines.
On this circle, line segment AB is the:
chord |
|
circumference |
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diameter |
|
radius |
A circle is a figure in which each point around its perimeter is an equal distance from the center. The radius of a circle is the distance between the center and any point along its perimeter. A chord is a line segment that connects any two points along its perimeter. The diameter of a circle is the length of a chord that passes through the center of the circle and equals twice the circle's radius (2r).
The endpoints of this line segment are at (-2, -4) and (2, 0). What is the slope of this line?
| -2\(\frac{1}{2}\) | |
| \(\frac{1}{2}\) | |
| -\(\frac{1}{2}\) | |
| 1 |
The slope of this line is the change in y divided by the change in x. The endpoints of this line segment are at (-2, -4) and (2, 0) so the slope becomes:
m = \( \frac{\Delta y}{\Delta x} \) = \( \frac{(0.0) - (-4.0)}{(2) - (-2)} \) = \( \frac{4}{4} \)The dimensions of this cylinder are height (h) = 4 and radius (r) = 8. What is the volume?
| 162π | |
| 5π | |
| 256π | |
| 4π |
The volume of a cylinder is πr2h:
v = πr2h
v = π(82 x 4)
v = 256π
If a = c = 1, b = d = 4, and the blue angle = 62°, what is the area of this parallelogram?
| 48 | |
| 4 | |
| 14 | |
| 2 |
The area of a parallelogram is equal to its length x width:
a = l x w
a = a x b
a = 1 x 4
a = 4