Triangle angle example 1 | Angles and intersecting lines | Geometry | Khan Academy - Free Educational videos for Students in K-12 | Lumos Learning

Triangle angle example 1 | Angles and intersecting lines | Geometry | Khan Academy - Free Educational videos for Students in k-12


Triangle angle example 1 | Angles and intersecting lines | Geometry | Khan Academy - By Khan Academy



Transcript
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DESCRIPTION:

Figuring out angles in a triangle. A little about exterior angles being the sum of the remote interior angles

OVERVIEW:

Triangle angle example 1 | Angles and intersecting lines | Geometry | Khan Academy is a free educational video by Khan Academy.It helps students in grades 9,10,11,12 practice the following standards HSG.CO.C.10,HSG.SRT.B.4,.

This page not only allows students and teachers view Triangle angle example 1 | Angles and intersecting lines | Geometry | Khan Academy but also find engaging Sample Questions, Apps, Pins, Worksheets, Books related to the following topics.

1. HSG.CO.C.10 : Prove theorems about triangles. Theorems include: measures of interior angles of a triangle sum to 180°; base angles of isosceles triangles are congruent; the segment joining midpoints of two sides of a triangle is parallel to the third side and half the length; the medians of a triangle meet at a point..

2. HSG.SRT.B.4 : Prove theorems about triangles. Theorems include: a line parallel to one side of a triangle divides the other two proportionally, and conversely; the Pythagorean Theorem proved using triangle similarity..


GRADES:

9
10
11
12


STANDARDS:

HSG.CO.C.10
HSG.SRT.B.4

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