Let’s learn how to determine the volume of a cube. What is a Cube? The only regular hexahedron, a cube is a three-dimensional object with six equal-sized square surfaces or sides, 12 edges, and 8 vertices. Given that its square sides are equal, it follows that a cube’s length, width, and height are equal, too. Examples of cube-shaped objects are dice, …
Surface Area of a Cube: Formula & Examples
Let’s learn how to determine the surface area of a cube. What is a Cube? The only regular hexahedron, a cube is a three-dimensional object with six equal-sized square surfaces or sides, 12 edges, and 8 vertices. Given that its square sides are equal, it follows that a cube’s length, width, and height are equal, too. Examples of cube-shaped objects …
Probability: Figuring Out the Odds
Let’s learn about basic probability. What is Probability? Probability is the likelihood of something to happen. It ranges between zero (0) or impossible to one (1) or certain and will never be less than 0 or more than 1. Probability can be expressed in fraction, decimal, or percentage. For example, here are some probabilities: When we roll a die, there …
Adverb Phrase: Phrase Modifying Another Word
Let’s learn how to define and use an adverb phrase. What is an Adverb Phrase? An adverb phrase is a group of words that modifies a verb, adjective, or adverb. Like an adverb, adverb phrases answer the questions: How? Why? When? Where? To what extent? Related Reading: Adverb – A Word that Modifies Another Word He delivered the speech amazingly well. …
Adverb: A Word that Modifies Another Word
Let’s learn how to define and use an adverb. What is an Adverb? An adverb is a word that modifies a verb (he walks slowly), an adjective (it’s quite dirty), another adverb (she arrived very early), or a whole clause (Luckily, he survived the fall). We’re used to adverbs ending in -ly but note that they sometimes take the form …
Appositive Phrase: Defining Nouns & Pronouns
Let’s define an appositive or an appositive phrase. What are Appositives? An appositive is a noun or noun phrase that identifies, explains, or defines another noun or pronoun in a sentence. It can be regarded as restrictive or nonrestrictive depending on its importance to the meaning of the sentence. An appositive is nonrestrictive or nonessential if it can be removed …
Rectangular Prism: Surface Area & Volume
Let’s learn how to find the surface area and volume of a rectangular prism. What is a Rectangular Prism? Prisms are three-dimensional objects with two equal bases or ends, flat surfaces or sides, and the same cross-section along its length. A cube is a prism, but unlike a cube that has 6 equal square faces, a rectangular prism has six …
Linear Equations: Formula & Examples
Let’s learn about linear equations. What is a Linear Equation? A linear equation is the equation for a straight line. It’s a combination of constants and variables and is probably the simplest algebraic equations you’ll have to deal with. The standard form of linear equation is expressed in the formula:Ax + By + C = 0where A, B, and C …
Sentence Fragment: Lacking Components
Let’s learn how to identify and fix a sentence fragment. What is a Sentence Fragment? A group of words marked by a period isn’t automatically a sentence. Recall from your basic English lessons that a sentence consists of a subject, verb, and complete thought, therefore the absence of any of these leads to sentence fragments. Sentence fragments are clauses or …
Volume of a Cone: Formula & Examples
Let’s learn how to determine the volume of a cone. What is a Cone? A cone is a three-dimensional object that has a circular base; a vertex or top; a height which is the perpendicular distance from the vertex to the base; and a slant height which refers to the distance from the vertex to the side and down to …