Rhombus A rhombus is a quadrilateral whose four sides all have the same length.A rhombus has four equal sides, opposite sides that are parallel, equal opposite angles and diagonals that bisect at right angles. Diagonals are DB = d1 and AC = d2 DB ⊥ AC Properties of Rhombus Reference All sides of a […]
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Rectangle
Rectangle A rectangle is a quadrilateral in which all the angles are equal and the opposite sides are equal and parallel. A rectangle has two pairs of opposite equal parallel sides, four right angles and two diagonals. Diagonal AC = diagonal BD Diagonal AC = d Applying Pythagoras theorem to the triangle ABD, d2 = l2 + w2 l […]
Units of money
Units of money It is the money that is used in a particular country. What are the different units of money? USD – United States Dollar. INR – Indian Rupee. EUR – Euro. GBP – British Pound Sterling. CAD – Canadian Dollar. JPY – Japanese Yen. 1 EUR = 100 cents https://www.thatquiz.org/tq-a/math/money/ […]
Volume
Volume Volume is the amount of space in a certain 3D object. For instance, a fish tank has 4 feet in length, 1 foot in width and two feet in height. To find the volume, you multiply length times width times height, which is 4x1x2, which equals eight. So the volume of the fish tank is 8 […]
Perpendicular
Perpendicular Perpendicular lines are straight lines that form the right angle (90° angle) with each other. See some examples of perpendicular lines, below: […]
Cuboid
Cuboid A cuboid is a three dimensional solid that has 6 faces (rectangular), 8 vertices and 12 edges. A cuboid has three dimensions such as length, width and height. l – lenght w – width h – height Rectangular cuboid Surface Area of a Cuboid = 2· l·w […]
Cirlce, circle line, circumference
Circle, circle line, circumference A circle is a shape consisting of a curved line completely surrounding an area. Every part of the line is the same distance from the centre of the area. Circumference is the distance around a circle. Circle Terminology Centre: the point equidistant from all points on the circle. Circumference: the length of one circuit […]
Grouping
Grouping Grouping means dividing things into equal groups or sets. This picture shows an example: […]
