Answer all the questions below and press submit to see how many you got right.
Area : The amount of unit squares that is needed to cover a 2-dimensional shape.
Centimeter : A centimeter ($cm$) is $\frac{1}{100}$ of a meter.
Half : A Half is the number equal to $\frac{1}{2}=0.5.$
Length : Length is the attribute of a one-dimensional shape that can be measured with a measuring tape.
Product : A product is the result of a multiplication.
Right angle : A right angle is an angle equal to $90^{\circ}.$
Right triangle : A right triangle is a triangle that has a right angle. The sides that form the right angle are called legs, the third side is called hypotenuse. The area of a right triangle is half the product of the lengths of the two legs. The Pythagorean theorem is an important theorem for right triangles that allows to calculate the third side of a right triangle given the other two.
Square centimeter : Square centimeter or $cm^2$ is a unit of measurement for measuring area. 1 square centimeter is the area of a square with side length 1 $cm,$ so 10,000 $cm^2$ are one $m^2.$
What is the area in square cm of a right triangle where the sides that form the right angle are 2 cm and 1 cm long?
Base : When using the height of a triangle or parallelogram (for example in an area calculation), base refers to the side of the triangle or parallelogram that the height starts out at. In a logarithm $\log_{b}x$ or power $b^x$ base refers to the number $b.$
Height : In a triangle a height (or altitude) is the shortest line segment that connects a side to its opposing corner. A height of a triangle is perpendicular to the side is started at. The three heights of a triangle intersect in a point, the so called orthocenter of the triangle. In a parallelogram the height is the shortest distance between two opposing sides. In a pyramid the height is the shortest distance between the base area and the corner of the pyramid that is not part of the base area. In a prism the height is the shortest distance between the two base faces.
Parallelogram : A parallelogram is a quadrilateral with 2 pairs of parallel sides. Rectangles, rhombuses and squares are special kinds of parallelograms.
What is the area in square cm of a parallelogram that has a base of 4 cm and a height of 4 cm?
Cube : A cube is a three-dimensional shape with 6 faces that are all squares. A cube has 8 corners and 12 edges.
Edge : An edge of a shape is a line segment between two corners of that shape.
Surface area : The surface area of a three-dimensional shape is the area of the surface of the three-dimensional shape. For example the surface area of a cube with edge length 1 $cm$ is 6 $cm^2.$
What is the surface area in $cm^2$ of a cube with edge length 7 cm?