If the length of the base of a rectangle is increased by 20 percent but the length of the altitude is decreased by 30 percent, by what percentage is the area changed? Is this an increase or a decrease in area?

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter9: Surfaces And Solids
Section9.1: Prisms, Area And Volume
Problem 33E: When the length of each edge of a cube is increased by 1 cm, the volume is increase by 61 cm3. What...
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If the length of the base of a rectangle is increased by
20 percent but the length of the altitude is decreased by
30 percent, by what percentage is the area changed? Is
this an increase or a decrease in area?
Transcribed Image Text:If the length of the base of a rectangle is increased by 20 percent but the length of the altitude is decreased by 30 percent, by what percentage is the area changed? Is this an increase or a decrease in area?
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