body{margin:0;} noscript{z-index: 10000; position: fixed; display: block; height: 100%; width: 100%; background: #fff;} noscript .fa{font-size: 40px; display:block; color: #daa520;} noscript div{margin-top: 6%; padding-left: 20px; padding-right: 20px; text-align: center;} ! You must have JavaScript enabled to use this site.

Pearson Geometry Common Core, 2011

PG

Pearson Geometry Common Core, 2011 View details

2. Special Right Triangles

Continue to next subchapter

Exercise 40 Page 505

You can solve for the variable by using the Cross Products Property.

12/7

Practice makes perfect

To solve the proportion, we will start by using the Cross Products Property.

x/3=4/7

Cross multiply

7 * x=3* 4

Multiply

7x=12

From here, we will continue solving for x by using the Properties of Equality.

7x=12

.LHS /7.=.RHS /7.

x=12/7

Subchapter links

Lesson Check p.503

Practice and Problem-Solving Exercises p.503-505

Standardized Test Prep p.505

Mixed Review p.505