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# Geometry

Khan Academy, , Prof. Salman Khan

Updated On 02 Feb, 19

##### Overview

Contents:
introduction to angles - Angles - Angles formed between transversals and parralel lines - Angles of parallel lines - The Angle Game - Similar triangles - Area and Perimeter - Circles: Radius, Diameter and Circumference - Area of a circle - The Pythagorean Theorem

45-45-90 Triangles - Intro to 30-60-90 Triangles - 30-60-90 Triangles II - Heron's Formula the Proof of Heron's Formula - An inscribed angle is half of a central angle that subtends the same arc - Area of Inscribed Equilateral Triangle (some basic trig used) - Right Triangles Inscribed in Circles (Proof) - Area of Diagonal Generated Triangles of Rectangle are Equal

## Lecture 18: Herons Formula

4.1 ( 11 )

###### Lecture Details

Using Herons Formula to determine the area of a triangle while only knowing the lengths of the sides

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The text passage appears to be a table of contents or overview for a geometry course, listing various topics and concepts that are covered in the lectures. It does not contain any specific mathematical questions or answers.
no_question
Given a text passage, determine:
    1. If it contains a mathematical question (including word problems or calculations)
    2. If an answer to that mathematical question is provided in the text

First, describe the content structure you found in 1-2 sentences.

Then provide your analysis in the following format:
TYPE: <one of the following values>
- NO_QUESTION
- SINGLE_QUESTION
- SINGLE_QUESTION_WITH_ANSWER
- MULTIPLE_QUESTIONS
- MULTIPLE_QUESTIONS_WITH_ANSWERS
system
x

# Geometry

Khan Academy, , Prof. Salman Khan

Updated On 02 Feb, 19

##### Overview

Contents:
introduction to angles - Angles - Angles formed between transversals and parralel lines - Angles of parallel lines - The Angle Game - Similar triangles - Area and Perimeter - Circles: Radius, Diameter and Circumference - Area of a circle - The Pythagorean Theorem

45-45-90 Triangles - Intro to 30-60-90 Triangles - 30-60-90 Triangles II - Heron's Formula the Proof of Heron's Formula - An inscribed angle is half of a central angle that subtends the same arc - Area of Inscribed Equilateral Triangle (some basic trig used) - Right Triangles Inscribed in Circles (Proof) - Area of Diagonal Generated Triangles of Rectangle are Equal

## Lecture 18: Herons Formula

4.1 ( 11 )

###### Lecture Details

Using Herons Formula to determine the area of a triangle while only knowing the lengths of the sides

0 Ratings
55%
30%
10%
3%
2%
user
The text passage appears to be a table of contents or overview for a geometry course, listing various topics and concepts that are covered in the lectures. It does not contain any specific mathematical questions or answers.

TYPE: NO_QUESTION