Sophia Learning
Sophia: Double Diagonals of a Parallelogram: Lesson 1
This lesson cover the concept that that when both diagonals are drawn in on a parallelogram, two pairs of congruent triangles are formed. It is 1 of 5 in the series titled "Double Diagonals of a Parallelogram."
Sophia Learning
Sophia: Double Diagonals of a Rectangle: Lesson 3
Following this lesson, you'll know that when both diagonals are drawn in on a rectangle, two pairs of congruent isosceles triangles are formed. It is 3 of 5 in the series titled "Double Diagonals of a Rectangle."
Sophia Learning
Sophia: Double Diagonals of a Rectangle: Lesson 4
Following this lesson, you'll know that when both diagonals are drawn in on a rectangle, two pairs of congruent isosceles triangles are formed. It is 4 of 5 in the series titled "Double Diagonals of a Rectangle."
Sophia Learning
Sophia: Double Diagonals of a Rectangle: Lesson 1
Following this lesson, you'll know that when both diagonals are drawn in on a rectangle, two pairs of congruent isosceles triangles are formed. It is 1 of 5 in the series titled "Double Diagonals of a Rectangle."
Sophia Learning
Sophia: Double Diagonals of a Square: Lesson 4
The fact that that when both diagonals are drawn in on a square, four congruent 45-45-90 triangles are formed is discussed in this lesson. It is 4 of 5 in the series titled "Double Diagonals of a Square."
Sophia Learning
Sophia: Double Diagonals of a Square: Lesson 1
The fact that that when both diagonals are drawn in on a square, four congruent 45-45-90 triangles are formed is discussed in this lesson. It is 1 of 5 in the series titled "Double Diagonals of a Square."
Sophia Learning
Sophia: Equilateral Triangle Interior Angles Practice Problems: Lesson 4
This lesson will provide practice problems that involve solving for unknown angle and side measures of equilateral triangles. It is 4 of 5 in the series titled "Equilateral Triangle Interior Angles Practice Problems."
Sophia Learning
Sophia: Sas Triangle Congruence: Lesson 3
This lesson will explain that demonstrating that two pairs of sides are equal in length and that the included angles are equal will suffice in showing that two triangles are congruent. It is 3 of 5 in the series titled "SAS Triangle...
Sophia Learning
Sophia: Sas Triangle Congruence: Lesson 5
This lesson will explain that demonstrating that two pairs of sides are equal in length and the included angles are equal will suffice in showing that two triangles are congruent. It is 5 of 5 in the series titled "SAS Triangle...
Sophia Learning
Sophia: Sas Triangle Congruence: Lesson 1
This lesson will explain that demonstrating that two pairs of sides are equal in length and that the included angles are equal will show that two triangles are congruent. It is 1 of 5 in the series titled "SAS Triangle Congruence." [1:48]
Sophia Learning
Sophia: Solve for an Angle of an Isosceles Triangle: Lesson 3
Given the value of one angle in an isosceles triangle in this lesson, you'll be able to solve for the value of either one of the missing angles, as long as you know which two interior angles are congruent. It is 3 of 12 in the series...
Sophia Learning
Sophia: Solve for an Angle of an Isosceles Triangle: Lesson 8
Given the value of one angle in an isosceles triangle in this lesson, you'll be able to solve for the value of either one of the missing angles, as long as you know which two interior angles are congruent. It is 8 of 12 in the series...
Sophia Learning
Sophia: Solve for an Angle of an Isosceles Triangle: Lesson 1
Given the value of one angle in an isosceles triangle in this lesson, you'll be able to solve for the value of either one of the missing angles, as long as you know which two interior angles are congruent. It is 1 of 12 in the series...
Sophia Learning
Sophia: Triangle Angle Combinations: Lesson 4
This lesson explains how you can have 3 acute angles, 1 obtuse and 2 acute angles or 1 right and 2 acute angles in a triangle. It is 4 of 7 in the series titled "Triangle Angle Combinations."
Sophia Learning
Sophia: Triangle Angle Combinations: Lesson 1
This lesson explains how you can have 3 acute angles, 1 obtuse and 2 acute angles or 1 right and 2 acute angles in a triangle. It is 1 of 7 in the series titled "Triangle Angle Combinations."
Sophia Learning
Sophia: Triangle Congruence Theorem (Hl): Lesson 4
This lesson will present the Hypotenuse-Leg Triangle Congruence Theorem. It is 4 of 5 in the series titled "Triangle Congruence Theorem (HL)." [2:47]
Sophia Learning
Sophia: Triangle Notation: Lesson 5
Following this lesson, you'll be able to name a triangle based on the three vertices and the triangle symbol. It is 5 of 6 in the series titled "Triangle Notation."
Sophia Learning
Sophia: Triangle Notation: Lesson 1
Following this lesson, you'll be able to name a triangle based on the three vertices and the triangle symbol. It is 1 of 6 in the series titled "Triangle Notation."
Sophia Learning
Sophia: Double Diagonals of a Parallelogram
This lesson cover the concept that that when both diagonals are drawn in on a parallelogram, two pairs of congruent triangles are formed.
Sophia Learning
Sophia: Equilateral Triangle Interior Angles Practice Problems: Lesson 2
This lesson will provide practice problems that involve solving for unknown angle and side measures of equilateral triangles. It is 2 of 5 in the series titled "Equilateral Triangle Interior Angles Practice Problems."
Sophia Learning
Sophia: Equilateral Triangle Interior Angles Practice Problems: Lesson 3
This lesson will provide practice problems that involve solving for unknown angle and side measures of equilateral triangles. It is 3 of 5 in the series titled "Equilateral Triangle Interior Angles Practice Problems."
Sophia Learning
Sophia: Solve for an Angle of an Isosceles Triangle: Lesson 6
Given the value of one angle in an isosceles triangle in this lesson, you'll be able to solve for the value of either one of the missing angles, as long as you know which two interior angles are congruent. It is 6 of 12 in the series...
Sophia Learning
Sophia: Double Diagonals of a Square
The fact that that when both diagonals are drawn in on a square, four congruent 45-45-90 triangles are formed is discussed in this lesson.
Sophia Learning
Sophia: Double Diagonals of a Rectangle
Following this lesson, you'll know that when both diagonals are drawn in on a rectangle, two pairs of congruent isosceles triangles are formed.