A certain television is advertised as a 21-inch TV (diagonal length). If th height of the TV is 13 inches, how wide is the TV? Round to the nearest tenth of an inch.

PREALGEBRA
15th Edition
ISBN:9781938168994
Author:OpenStax
Publisher:OpenStax
Chapter9: Math Models And Geometry
Section: Chapter Questions
Problem 479PT: Find the length of the missing side. Round to the nearest tenth, if necessary.
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A certain television is advertised as a 21-inch TV (diagonal length). If th height of the TV is 13 inches, how wide is the TV? Round to the nearest tenth of an inch.

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