150 Videos for "length"

Radian Measure of Angles  Problem 1
Math › Precalculus › Trigonometric Functions
How to measure a central angle of a circle when the radius and the length of the intercepted arc are given. 
Simplifying Radical Expressions  Problem 3
Math › Algebra › Radical Expressions and Equations
Simplifying radicals in the context of using the Pythagorean Theorem to find a missing side length of a right triangle. 
Similar Triangles  Problem 1
Math › PreAlgebra › Introductory Geometry
Using proportionality to find the missing side length in similar figures 
Area and Perimeter of Rectangles  Problem 1
Math › PreAlgebra › Introductory Geometry
Finding the area and perimeter of parallelograms with integer side lengths 
Area of Regular Polygons  Problem 3
Math › Geometry › Area
How to calculate the perimeter of a regular polygon given the area and apothem length. 
Trigonometric Ratios: Sine  Problem 1
Math › Geometry › Basic Trigonometry
How to find the sine of two angles in a right triangle given two side lengths. 
Special Isosceles Triangle Properties  Problem 1
Math › Geometry › Triangles
How to find the measure of a missing length in an isosceles triangle with an altitude. 
Trigonometric Ratios: Sine  Problem 1
Math › Trigonometry › Basic Trigonometry
How to find the sine of two angles in a right triangle given two side lengths. 
Trapezoid Midsegment Properties  Problem 2
Math › Geometry › Polygons
How to find the length of the segments that divide the sides of a triangle into three congruent segments. 
Trigonometric Ratios: Sine  Problem 1
Math › Precalculus › Basic Trigonometry
How to find the sine of two angles in a right triangle given two side lengths. 
Isosceles Triangles  Problem 1
Math › Geometry › Triangles
How to solve for the side length and base angle measures of an isosceles triangle. 
Parallelogram Properties  Problem 3
Math › Geometry › Polygons
How to find the lengths of the diagonals in a parallelogram if they are given in terms of a variable. 
Area and Perimeter of Rectangles  Problem 2
Math › PreAlgebra › Introductory Geometry
Finding decimal approximations and exact areas and perimeters for parallelograms with square root side lengths 
Triangle Side and Angle Inequalities  Problem 1
Math › Geometry › Triangles
How to list the angles of a triangle from smallest to largest given the side lengths. 
Proportional Segments Between Parallel Lines  Problem 1
Math › Geometry › Similarity
How to find a missing length in a triangle cut by a line parallel to a base. 
Similar Triangles in Circles and Right Triangles  Problem 1
Math › Geometry › Similarity
How to find missing side lengths of triangles in a circle. 
Angle Bisectors and Opposite Side Ratios  Concept
Math › Geometry › Similarity
How to relate the sides of an angle bisected and the lengths of the opposite side. 
Pythagorean Theorem Proofs  Problem 2
Math › Geometry › Pythagorean Theorem
How to use the Pythagorean Theorem to determine if a triangle is acute, right, or obtuse, given the lengths of the triangle. 
Converse of the Pythagorean Theorem  Problem 1
Math › Geometry › Pythagorean Theorem
How to use the converse of the Pythagorean Theorem to determine if a triangle is a right triangle given the lengths of the triangle. 
Angle Bisectors and Opposite Side Ratios  Problem 1
Math › Geometry › Similarity
How to find a missing length created by a median in a triangle using a proportion.