| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.57 |
| Score | 0% | 71% |
If a = c = 6, b = d = 5, what is the area of this rectangle?
| 9 | |
| 16 | |
| 30 | |
| 28 |
The area of a rectangle is equal to its length x width:
a = l x w
a = a x b
a = 6 x 5
a = 30
If angle a = 70° and angle b = 35° what is the length of angle c?
| 98° | |
| 110° | |
| 75° | |
| 65° |
The sum of the interior angles of a triangle is 180°:
180° = a° + b° + c°
c° = 180° - a° - b°
c° = 180° - 70° - 35° = 75°
If side x = 13cm, side y = 5cm, and side z = 15cm what is the perimeter of this triangle?
| 28cm | |
| 40cm | |
| 32cm | |
| 33cm |
The perimeter of a triangle is the sum of the lengths of its sides:
p = x + y + z
p = 13cm + 5cm + 15cm = 33cm
If side a = 2, side b = 4, what is the length of the hypotenuse of this right triangle?
| \( \sqrt{29} \) | |
| \( \sqrt{106} \) | |
| \( \sqrt{20} \) | |
| \( \sqrt{53} \) |
According to the Pythagorean theorem, the hypotenuse squared is equal to the sum of the two perpendicular sides squared:
c2 = a2 + b2
c2 = 22 + 42
c2 = 4 + 16
c2 = 20
c = \( \sqrt{20} \)
If the base of this triangle is 6 and the height is 6, what is the area?
| 75 | |
| 24 | |
| 18 | |
| 36 |
The area of a triangle is equal to ½ base x height:
a = ½bh
a = ½ x 6 x 6 = \( \frac{36}{2} \) = 18