Perimeter | MathHelp.com - By MathHelp.com
Transcript
| 00:0-1 | In this example , we're asked to find the perimeter | |
| 00:03 | of the figures shown . The perimeter of a figure | |
| 00:06 | is the distance around the figure . So to find | |
| 00:10 | the perimeter of the figures shown , we simply add | |
| 00:13 | the lengths of the sides . So we have 19 | |
| 00:19 | plus 20 Yeah plus 17 plus 30 . Yeah . | |
| 00:31 | In the units , column nine plus zero plus seven | |
| 00:35 | plus zero is 16 . So we bring down the | |
| 00:38 | six and carry the one in the 10th . Column | |
| 00:42 | one plus one is 22 plus two is 44 plus | |
| 00:46 | one is five and five plus three is eight . | |
| 00:49 | So we have 86 . So the perimeter of the | |
| 00:53 | figures shown is 86" . Yeah . |
Summarizer
DESCRIPTION:
This lesson covers naming angles. Students learn the definition of an angle and the concept of measure, including the following vocabulary: side, vertex, protractor, degrees, right angle, acute angle, obtuse angle, and straight angle. Students also learn what assumptions can and cannot be made from a given figure.
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