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Pearson Geometry Common Core, 2011

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Pearson Geometry Common Core, 2011 View details

3. Bisectors in Triangles

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Exercise 38 Page 307

We know from the previous exercise that x=4.

AD=17

Practice makes perfect

We are asked to find the length of AD in the given diagram.

In the previous exercise, we found that x=4. Therefore, to find the length of the segment, we can substitute 4 for x in the given expression for AD.

AD=3x+5

x= 4

AD=3( 4)+5

Multiply

AD=12+5

Add terms

AD=17

Subchapter links

Lesson Check p.304

Practice and Problem-Solving Exercises p.305-307

Standardized Test Prep p.307

Mixed Review p.307