In this video lesson, students will learn how to find the perimeter of a square or rectangle by adding the side lengths. The teacher explains the concept clearly and provides examples to illustrate the process.

In this video, students learn how to prove a pattern in a relationship by squaring the sum of two terms. They are shown how to distribute the terms and simplify the expressions to arrive at an identity. The video also provides an example...

In this video, the teacher explains how to find the side length of a square when given its area. They demonstrate the process using different examples and variables. The teacher emphasizes the importance of using the same variable for...

In this video, students learn about perfect squares and how to generate them. They explore the concept of a square and its area, understanding that perfect squares have integer side lengths. The video also addresses common misconceptions...

👉 Learn all about evaluating trigonometric functions with triangles. In this playlist, we will learn how to evaluate, sine, cosine, tangent, cotangent, secant, and cosecant when given the sides of a triangle. If we have missing sides we...

ACT SAT Prep How to determine the perimeter of a triangle using similar triangles

I show how to solve math problems online during live instruction in class. This is my way of providing free tutoring for the students in my class and for students anywhere in the world. Every video is a short clip that shows exaclty how...

👉 Learn how to find the area of a triangle. The area of a triangle is the measure of the region enclosed by the triangle. There are several methods that can be used to find the area of a triangle depending on the available information....

👉 Learn how to solve for the length of the sides and the measures of the angles of a triangle using the law of sines. The law of sines is used in determining the length of the opposite side to a known angle measure or the measure of the...

In this video lesson, students will learn how to describe the combined area of two squares using consecutive integers. They will explore polynomial identities and how to write expressions to represent the relationship between consecutive...

In this lesson, students explore the relationship between squaring and taking the square root through visual representations and definitions. They learn that squaring a number gives the area of a square, while taking the square root...

👉 Learn how to solve for the length of the sides and the measures of the angles of a triangle using the law of sines. The law of sines is used in determining the length of the opposite side to a known angle measure or the measure of the...

Master Solving for the missing sides of a triangle for ASA and AAS using law of sines

In this video I show you how to find the missing length of a triangle using the sine function. We are given a right triangle and two side lengths and a missing length. We show a right triangle and label the hypotenuse, and two legs the...

This video lesson teaches students how to find the perimeter of a polygon by solving real-world problems. It provides examples of finding the perimeter of a rectangular soccer field and a square garden, helping students apply their...

👉 Learn how to evaluate the six trigonometric functions given the value of one of the trigonometric functions. When given the value of one of the trigonometric functions of an angle, we can evaluate the values of the other trigonometric...

👉 Learn how to find the missing side of a triangle. A triangle is a polygon with three sides. Triangles are classified on the basis of the angles or on the basis of the sides. The classification of a triangle on the basis of the sides...

Find the missing measures, law of cosines then law of sines

In the previous lecture we showed how any quadratic equation can be solved by "completing the square". We also showed geometrically that any general form quadratic expression "x-squared + bx + c" where c has a value of "(b/2) squared"...

👉 Learn how to solve for unknown variables in congruent triangles. Two or more triangles are said to be congruent if they have the same shape and size. When one of the values of a pair of congruent sides or angles is unknown and the...

👉 Learn how to find a missing side length of a right triangle. A right triangle is a triangle that has 90 degrees as one of its angles. The trigonometric identities of right triangles give us the relationship between the angles of a...

The video is a beginner's guide to polygons. It defines what a polygon is and how it is classified into regular and irregular polygons, convex and concave polygons, based on their side lengths and angles. It also covers the names of...

👉 Learn how to find a missing side length of a right triangle. A right triangle is a triangle that has 90 degrees as one of its angles. The trigonometric identities of right triangles give us the relationship between the angles of a...

In this video, the presenter explains how to use trigonometry to calculate missing angles and side lengths in non-right angle triangles. They describe two different methods, the sine rule and the cosine rule, and provide examples of when...