Relearning Geometry - and other misc questions

Test Preparation
1

<p>I never really took geometry because of some unique problems with my school system. I "learned" it using an online program, but I honestly never really tried at it because I was guaranteed credit for it. Bad idea- precalc ended up being difficult. </p>

<p>Now that I'm studying for the SAT, this is problematic. I have the summer to relearn geometry. Please suggest some resources to aid me in this quest!</p>

<p>I'm also planning on taking the SAT for the first time in October. I have a few months left, any general tips that will be helpful for me?</p>

2

<ol>
<li><p>Learn the area/perimeter formulas. They’re pretty straightforward, most of them you can derive without using calculus.</p></li>
<li><p>Sum of the interior angle measures in a triangle is 180 deg. You can generalize this to n-gons because you can draw n-2 non-overlapping triangles within the n-gon. So the sum of the angles in an n-gon is 180(n-2). The sum of the exterior angles for any convex polygon is 360.</p></li>
<li><p>Know the other formulas that are given on the reference sheet.</p></li>
</ol>

3

<p>I suggest you take a look here: [Khan</a> Academy](<a href=“Khan Academy | Free Online Courses, Lessons & Practice”>Khan Academy | Free Online Courses, Lessons & Practice)</p>