Question

Describe a method you could use to find the value of x in the figure at the right without using a protractor.

Figure shown at number 8
http://www.mrpshomepage.com/Grade%208%20Math%20Worksheets/Unit%204%20Lesson%201%20Independent%20Practice.pdf

please help

Answer 1

Note that a straight line is 180 degrees. Knowing this, we simply have to sum up both expressions (x + 2x) and set that equal to 180. After simplifying this equation, we get 3x = 180. Therefore, x must equal 60 degrees and 2x equals 120 degrees.

Answer 2

Oh okay, Thank You so much!!

Answer 3

You're welcome ^_^