Page 1 of 1 [ 2 posts ]
 Print view Previous topic | Next topic
Author Message
 Post subject: Math essentials, #4 pg.135Posted: Thu Jun 23, 2011 8:31 am

Joined: Tue Jun 21, 2011 2:30 pm
Posts: 3
I am having trouble understanding how you distribute the 1/2 in the formula for area of trapezoid. Instead, I multiply each varible in the formula individually. For example, I will work the problem like so:

24=3/2 + 1/2C * 6

The way I set it up is nothing like the way in the on demand lesson.

I don't understand why I have trouble setting up problems similar to these. Is there something I am doing wrong and what do I need to review to correct this?

Top

 Post subject: Re: Math essentials, #4 pg.135Posted: Thu Jun 23, 2011 3:23 pm

Joined: Thu Feb 12, 2009 6:32 pm
Posts: 497
Here is the correct approach:

Area = A = (1/2)*h*(b1 + b2), where b1 and b2 are the bases (the parallel sides).

2A/h = b1 + b2
2A/h - b1 = b2

b2 = 2*24/6 - 3

=5

Veritas Help

Top

 Display posts from previous: All posts1 day7 days2 weeks1 month3 months6 months1 year Sort by AuthorPost timeSubject AscendingDescending
 Page 1 of 1 [ 2 posts ]

 All times are UTC - 8 hours [ DST ]

#### Who is online

Users browsing this forum: No registered users and 1 guest

 You cannot post new topics in this forumYou cannot reply to topics in this forumYou cannot edit your posts in this forumYou cannot delete your posts in this forumYou cannot post attachments in this forum

 Search for: