| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.79 |
| Score | 0% | 76% |
Which of the following is not true about both rectangles and squares?
the perimeter is the sum of the lengths of all four sides |
|
the area is length x width |
|
all interior angles are right angles |
|
the lengths of all sides are equal |
A rectangle is a parallelogram containing four right angles. Opposite sides (a = c, b = d) are equal and the perimeter is the sum of the lengths of all sides (a + b + c + d) or, comonly, 2 x length x width. The area of a rectangle is length x width. A square is a rectangle with four equal length sides. The perimeter of a square is 4 x length of one side (4s) and the area is the length of one side squared (s2).
If a = 2, b = 1, c = 7, and d = 1, what is the perimeter of this quadrilateral?
| 17 | |
| 11 | |
| 22 | |
| 19 |
Perimeter is equal to the sum of the four sides:
p = a + b + c + d
p = 2 + 1 + 7 + 1
p = 11
Breaking apart a quadratic expression into a pair of binomials is called:
normalizing |
|
deconstructing |
|
squaring |
|
factoring |
To factor a quadratic expression, apply the FOIL (First, Outside, Inside, Last) method in reverse.
If side x = 14cm, side y = 11cm, and side z = 10cm what is the perimeter of this triangle?
| 35cm | |
| 31cm | |
| 27cm | |
| 36cm |
The perimeter of a triangle is the sum of the lengths of its sides:
p = x + y + z
p = 14cm + 11cm + 10cm = 35cm
On this circle, line segment AB is the:
radius |
|
circumference |
|
chord |
|
diameter |
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).