# New SAT Additional Topics in Math

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More Lessons for SAT Math

More Resources for SAT

We have lots of free resources and videos to help you prepare for the SAT. These materials are for the redesigned SAT which is for you if you are taking the SAT in March 2016 and beyond.

In addition to the questions in Heart of Algebra, Problem Solving and Data Analysis and Passport to Advanced Math, the SAT Math Test will have questions from the areas of geometry, trigonometry and complex numbers.

There are many ways that you can be tested and practicing different types of questions will help you to be prepared for the SAT.

The following video lessons will show you how to solve a variety of Additional Topics in Math questions in different situations.

Geometry

These are some of the areas in Geometry that you will need to know for the SAT Math Test.

Lines and Angles: Lengths and midpoints, Vertical angles, Straight angles and the sum of angles about a point, Properties of parallel lines and angles formed by a transversal, Properties of perpendicular lines.

Triangles and other polygons: Right triangles, Pythagorean Triples and the Pythagorean Theorem, Properties of equilateral and isosceles triangles, Properties of 30°-60°-90° triangles and 45°-45°-90° triangles, Congruent triangles and other congruent figures, Similar triangles and other similar figures, The triangle inequality, Quadrilaterals, Regular polygons.

Circles: Radius, diameter and circumference, Measure of central angles and inscribed angles, Arc Length and area of sectors, Tangents and chords.

Solids: Area, Surface Area and Volume

Coordinate Geometry

You may be asked to create the equation of a circle given the figure or use the structure of a given equation to determine a property of a figure in the coordinate plane.
You need to know that a circle with center (a, b) with radius r will have the equation (x - a)2 + (y - b)2 = r2

For Trigonometry, you will need to use SOHCAHTOA for right triangles.
You also need to know radian measures and the unit circle.
You need to know how to convert between radians and degrees.

Complex Numbers

The number i is defined to be the solution to the equation x2 = -1. i2 = -1 and $$i = \sqrt { - 1}$$. You will need to know how to add, subtract, multiply and divide complex numbers.

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.