Randy dilated △SAL with GeoGebra and found the area of the preimage △SAL to be 28 square units and the area of the image △S′A′L′ to be 90.72 square units. After erasing them, he remembered only the height of the preimage was 8 units. Questions: a) What is the scale factor for the dilation? b) Find the altitude "a" for the image. Please answer both questions above and thank you so much :)

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
icon
Related questions
Question
100%

Randy dilated △SAL with GeoGebra and found the area of the preimage △SAL to be 28 square units and the area of the image △S′A′L′ to be 90.72 square units. After erasing them, he remembered only the height of the preimage was 8 units.

Questions:

a) What is the scale factor for the dilation?

b) Find the altitude "a" for the image.

Please answer both questions above and thank you so much :)

A
A'
L'
Transcribed Image Text:A A' L'
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Basics (types, similarity, etc)
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, geometry and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
Geometry
ISBN:
9781337614085
Author:
Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:
Cengage,
Elementary Geometry for College Students
Elementary Geometry for College Students
Geometry
ISBN:
9781285195698
Author:
Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:
Cengage Learning