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.

McGraw Hill Integrated II, 2012

MH

McGraw Hill Integrated II, 2012 View details

5. Angles of Elevation and Depression

Continue to next subchapter

Exercise 45 Page 669

Solve for the variable by using the Cross Products Property.

2

Practice makes perfect

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

1/5=x/10

Cross multiply

5x=1*10

1* a=a

5x=10

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

5x=10

.LHS /5.=.RHS /5.

x=2

Subchapter links

Exercises p.665-669