Thinkster Math: Tutoring Personalized by Patented AI + Top Math Tutors

Why is this concept useful?: To construct a full 360 degree circle, the measure of a reflex angle is added to an acute or obtuse angle. Using a protractor to measure the acute angle that corresponds to this reflex angle, we find that the acute angle is 55 degrees.
Where does this concept fit into the curriculum?: Middle School

Related Topics

By Puja Varude

Math Tutoring to Boost Your Child’s Math Skills & Scores by 90% in Just 3 Months – Guaranteed!

Does your child struggle with math homework or understanding tricky math concepts? Do they do okay in math, but express excitement to learn new material or advanced math?

A Thinkster Math tutor provides one-to-one support to help elementary, middle school, and high school students build confidence and master math subjects like K-8 math, pre-algebra, algebra, geometry, calculus, and more.

Our expert math tutors customize math lessons to your child’s unique needs, making learning math fun and effective. We help students improve grades, develop strong critical thinking skills through solving word problems, excel in standardized tests, and develop strong problem-solving skills.

Our expert math tutors are ready to help make your child a champion and develop strong math mastery! Sign up for our 7-day free trial and get the best math tutor for your child today!

Start 7-Day Free Trial

How to Use Reflex Angle:

You use a protractor to calculate the reflex angle. Although sometimes that won’t be an option and you will be given the measure of the inner angle. From there you can subtract that amount from 360, as a full rotation is 360 degrees.

Sample Math Problems

Question

Solution

360° - 35° = 325°

Answer: 325°

Question

An acute angle measures 57°. What is the reflex angle?

Solution

360° - 57° = 303°

Answer: 303°

Question

Solution

360° - 120° = 240°

Answer: 240°

Question

An obtuse angle measure 110°. What is the reflex angle?

Solution

360° - 110° = 250°

Answer: 250°

Download FREE Math Resources

Take advantage of our free downloadable resources and study materials for at-home learning.

$8 Math Hacks and Tricks to Turn Your 'Okay' Math Student Into a Math Champion!$

8 Math Hacks and Tricks to Turn Your 'Okay' Math Student Into a Math Champion!

One thing we teach our students at Thinkster is that there are multiple ways to solve a math problem. This helps our students learn to think flexibly and non-linearly.

Get PDF

How to Make Sure Your Child is Highly Successful and Becomes a Millionaire

As a parent, you hope your child is extremely successful and likely become the next Gates, Zuckerberg, or Meg Whitman. To set your child on the right path, there are many skills and traits that you can start building and nurturing now. Doing so plants the seeds for future success.

Get PDF

Practice Math Problems

1.

2. An angle measures 135°. What is the measure of the reflex angle?

3.

4. An angle measures 90°. What is the measure of the reflex angle?

Download

Trigonometry Worksheets

Reflex Angle

Related Topics

Normal Distribution

Tossing a Coin

Properties of Exponents

Solve for x

Math Tutoring to Boost Your Child’s Math Skills & Scores by 90% in Just 3 Months – Guaranteed!

Sample Math Problems

Download FREE Math Resources

8 Math Hacks and Tricks to Turn Your 'Okay' Math Student Into a Math Champion!

How to Make Sure Your Child is Highly Successful and Becomes a Millionaire

Practice Math Problems