If a rectangle has a length of 10 units and a width of 5 units, what is its area? |
Card: 3 / 20 |
Riddle: I am an odd number. Take away one letter and I become even. What number am I? |
Card: 13 / 20 |
True or False: A circle has a constant ratio of circumference to diameter equal to 3. |
Card: 17 / 20 |
If a triangle has a base of 4 units and a height of 3 units, what is its area? |
Card: 19 / 20 |