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Big Ideas Math Geometry, 2014

BI

Big Ideas Math Geometry, 2014 View details

4. Inscribed Angles and Polygons

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Exercise 45 Page 560

Isolate the variable on one side of the equation.

x=120

Practice makes perfect

In order to solve an equation, we need to isolate the variable on one side of the equation. We can do this by dividing both sides of the given equation by 2.

240=2x

.LHS /2.=.RHS /2.

120=x

Rearrange equation

x=120

We conclude that the value of x is 120.

Subchapter links

Communicate Your Answer p.553

Monitoring Progress p.555-557