| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.23 |
| Score | 0% | 65% |
If the base of this triangle is 1 and the height is 5, what is the area?
| 2\(\frac{1}{2}\) | |
| 67\(\frac{1}{2}\) | |
| 30 | |
| 48 |
The area of a triangle is equal to ½ base x height:
a = ½bh
a = ½ x 1 x 5 = \( \frac{5}{2} \) = 2\(\frac{1}{2}\)
A quadrilateral is a shape with __________ sides.
4 |
|
3 |
|
2 |
|
5 |
A quadrilateral is a shape with four sides. The perimeter of a quadrilateral is the sum of the lengths of its four sides.
The formula for the area of a circle is which of the following?
c = π r2 |
|
c = π d |
|
c = π d2 |
|
c = π r |
The circumference of a circle is the distance around its perimeter and equals π (approx. 3.14159) x diameter: c = π d. The area of a circle is π x (radius)2 : a = π r2.
The dimensions of this cylinder are height (h) = 9 and radius (r) = 3. What is the volume?
| 36π | |
| 245π | |
| 81π | |
| 125π |
The volume of a cylinder is πr2h:
v = πr2h
v = π(32 x 9)
v = 81π
If a = 6, b = 8, c = 6, and d = 1, what is the perimeter of this quadrilateral?
| 11 | |
| 23 | |
| 28 | |
| 21 |
Perimeter is equal to the sum of the four sides:
p = a + b + c + d
p = 6 + 8 + 6 + 1
p = 21