Showing posts with label area of a triangle. Show all posts
Showing posts with label area of a triangle. Show all posts

Monday, December 6, 2010

Area of a Triangle

Area of a triangle: Is base times height divided by 2.

Here's a picture that can give you an idea what base times height divided by 2 looks like:

















Every triangle is half of a parallelogram. We know the formula to find the area of a parallelogram is base times height. So the formula for the area of a triangle is half the area of a parallelogram. Formula for area of a triangle is base times height divided by 2.

Height of a triangle is a perpendicular line from the base to opposite angle.

Here are some pictures for how it looks like:





















Here is a video you can watch to help you:





The homework for today is in your homework booklet pages 36-37

Hope this helps you! :) Please comment on anything that you liked or things I need to improve on! Thank you.