Up Your Score SAT, 2018-2019 Edition The Underground Guide to Outsmarting The Test

Answer: 30º. The key here is that the triangle includes parallel lines. Remember the congruent angles i ...

Right Triangles: A right triangle is any triangle with one angle that is 90° (indicated by a square ...

Since the ground and the building must be perpendicular (hopefully), the ladder must be the hypotenuse. —Sam ...

life easier to be able to recognize them. The first is the 30º-60º-90º triangle, whose sides are always in ...

Wait, what the hell is all this arc stuff? Let us show you: If the central angle = 80º, then the arc ...

As you can see, the inscribed angle is an angle made by drawing two lines from a point on a circle’s ...

Often, the SAT will require that you find h before you can calculate the area. Imagine chopping the parallelog ...

Cylinder: volume = π × r^2 × height Sphere: volume = (^4 / 3 ) × π r^3 Cone: volume = ⅓ × π × ...

Important Note: Many of these geometrical formulas are actually printed in the SAT exam instructions. So i ...

Well, we can’t solve it without knowing the radius. So find the radius from the known area (144 × π). ...

Voilà! The answer: 30° + 55° = 85° = x. 3 What is the measure of angle x? (A Star Trek cosplayer needs ...

Break down the figure into the following components to find x. First: The angles in the following figure ar ...

Finally: x + 60° + 90° = 180° x = 30° Answer: 30° 5 The Andy Warhol Museum is constructing a giant com ...

h = 2 This tells us that every minute, the can fills up 2 feet in height. If the entire can fills in ...

top, which is 7 × 15 = 105. The question, then, is what percentage of 298 is 193 (or 298 – 105). Th ...

Any point on a graph has two coordinates. For example, point A on the graph shown has coordinates (2,4), wh ...

*Why “m”? The world may never know. —Samantha Another helpful way to think of slope is “rise over run,” ...

To find b, we can pick our point (4,0), and plug the x and y coordinates into the formula to solve for b: ...

To find the distance, draw the right triangle for which the line would act as a hypotenuse. Next, calcul ...

For those of you who prefer to memorize formulas, here is the monstrous (and easily forgettable) distance ...