| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.66 |
| Score | 0% | 73% |
If a = c = 5, b = d = 6, what is the area of this rectangle?
| 30 | |
| 56 | |
| 8 | |
| 18 |
The area of a rectangle is equal to its length x width:
a = l x w
a = a x b
a = 5 x 6
a = 30
A quadrilateral is a shape with __________ sides.
5 |
|
4 |
|
3 |
|
2 |
A quadrilateral is a shape with four sides. The perimeter of a quadrilateral is the sum of the lengths of its four sides.
What is 3a7 + 8a7?
| 11a14 | |
| -5a14 | |
| 11 | |
| 11a7 |
To combine like terms, add or subtract the coefficients (the numbers that come before the variables) of terms that have the same variable raised to the same exponent.
3a7 + 8a7 = 11a7
A trapezoid is a quadrilateral with one set of __________ sides.
parallel |
|
right angle |
|
equal length |
|
equal angle |
A trapezoid is a quadrilateral with one set of parallel sides.
A(n) __________ is to a parallelogram as a square is to a rectangle.
triangle |
|
rhombus |
|
quadrilateral |
|
trapezoid |
A rhombus is a parallelogram with four equal-length sides. A square is a rectangle with four equal-length sides.