Hey @davenn, you really have an intriguing hobby!
As many others have said earlier, I imagine it would be really amazing to hold something from space right in your hands!
But I am wondering, how do you differentiate, how do you know that the rock you find or buy is really a meteorite? I have...
This all just shows how history tends to repeat itself. Lessons, as much as mistakes, are forgotten in just 2 generations, 80 years, and all the vices and evils come flooding back. Russians says that it is time to remind the West and Europe of what happens when red lines are crossed and refresh...
Well, well. Very interesting and valuable results in the poll. I was hoping for quite a few votes, very good results.
I voted for Whatsapp, which I use very often on a daily basis to text friends about school work.
Snapchat, well, I have it for the same thing: to text friends, but I find that it...
Please vote what social media accounts you have and use in my poll. I was always interested in what social media is the most popular, and want to experiment in the small community of PF.
You can choose multiple from:
Facebook, Twitter, Instagram, Snapchat, Whatsapp, Youtube, Google+, Pinterest...
You are correct and I share your opinion. However, I believe that it would be the interest of the younger students to challenge themselves mathematically and develop themselves. Even if other people solve them first, students can still discuss the question, solution, answer and always have a go...
@fresh_42 @Greg Bernhardt . I (for my young age) find that these problems are very alien,difficult to me, as I am only in year 8 :) . However, I would really enjoy to take part in a similar challenge, but much easier, like a high school level, however still challenging and interesting for such...
The area changes, the length of the AB and CD changes, the length of the legs does not change, the height does not change, all the angles do not change.
Yes, I thought about it for a long time, and drew a sketch.
The hypothenuse - I know.
I also know all of the DC segment, however I am not sure what the DC-base side of the triangle is exactly. Do I?
So, I can find a trick (is it not too hard? :)
Hello.
I am wondering how I can find the area of a trapezoid from its two legs and bases.
My problem:
ABCD is a trapezium with AB parallel to CD such that AB = 5, BC = 3, CD = 10 and AD = 4. What is the area of ABCD?
If we trace a straight line from A down parallel to the height of the...