A square is a shape with four equal sides (equilateral) and four equal angles (equiangular). It’s the only equilateral and equiangular quadrilateral. Here’s a quick guide to computing the perimeter of a square. What is the Perimeter of a Square? As previously discussed, perimeter is the total length of a closed shape. To find the perimeter of a square, add …
Definite and Indefinite Articles: The & A/An
What are Definite and Indefinite Articles? Articles are teensy words that tell if a noun is specific or general. Because they modify nouns, articles are adjectives, too. In fact, they are the most commonly used adjectives. The two articles of the English language are: the and a/an. They are known as definite and indefinite articles. Also called the definite article, the …
Degrees to Radians: Convert & Calculate
We use different measurement units to determine length (in, m, or km), mass (kg, mg, or g), or temperature (Celsius or Fahrenheit) and Math enables us to convert between these measurement units. In the same way, a circle’s angle can be measured in two ways: with degrees and with radians and using formulas, we can convert between the two. What …
Linking Verbs & Subject Complements
What is a Linking Verb? A linking verb connects the subject to a word in the predicate. Because linking verbs do not express an action, they also don’t require a direct or indirect object. Related Reading: Direct and Indirect Objects: Pair with Verbs Here are the most popular linking verbs: am, is, are, was, were, be, being, been. All forms …
Direct and Indirect Objects: Pair with Verbs
What are Direct and Indirect Objects? Also called verb complements, direct and indirect objects complete the meaning of an action word. “Lyn cried” is a complete sentence but “Lyn gave” is not. It makes you ask: Lyn gave what? or whom? Insert an object to make the sentence complete: “Lyn gave a pen”. Here, pen is a direct object. If …
Interval Notation: Writing & Graphing
Let’s learn how to write and graph interval notation. What is an Interval Notation? Interval notation is a way of writing solutions to algebraic inequalities. You may recall that inequalities are relations that compare non-equal mathematical expressions. The four inequality signs are: less than (<), greater than (>), less than or equal (≤), and greater than or equal (≥). Here …
Volume of a Cube: Formula & Examples
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: A pig talking is 0 or …
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. …