| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.17 |
| Score | 0% | 63% |
If the base of this triangle is 8 and the height is 9, what is the area?
| 36 | |
| 58\(\frac{1}{2}\) | |
| 49 | |
| 45\(\frac{1}{2}\) |
The area of a triangle is equal to ½ base x height:
a = ½bh
a = ½ x 8 x 9 = \( \frac{72}{2} \) = 36
If a = 9, b = 3, c = 3, and d = 6, what is the perimeter of this quadrilateral?
| 22 | |
| 21 | |
| 23 | |
| 18 |
Perimeter is equal to the sum of the four sides:
p = a + b + c + d
p = 9 + 3 + 3 + 6
p = 21
Which types of triangles will always have at least two sides of equal length?
equilateral and right |
|
equilateral, isosceles and right |
|
isosceles and right |
|
equilateral and isosceles |
An isosceles triangle has two sides of equal length. An equilateral triangle has three sides of equal length. In a right triangle, two sides meet at a right angle.
If the length of AB equals the length of BD, point B __________ this line segment.
trisects |
|
midpoints |
|
bisects |
|
intersects |
A line segment is a portion of a line with a measurable length. The midpoint of a line segment is the point exactly halfway between the endpoints. The midpoint bisects (cuts in half) the line segment.
What is the circumference of a circle with a diameter of 12?
| 16π | |
| 24π | |
| 12π | |
| 6π |
The formula for circumference is circle diameter x π:
c = πd
c = 12π