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Drupady [299]
4 years ago
7

A certain television is advertised as a 29-inch TV (the diagonal length). If the width of

Mathematics
2 answers:
katovenus [111]4 years ago
8 0

Answer:

21

Step-by-step explanation:

I did it on delta math

IRISSAK [1]4 years ago
6 0

Answer:

21 inches

Step-by-step explanation:

refer to attached graphics

we can find the height by the Pythagorean theorem.

diagonal² = width² + height²

height² = diagonal²  - width²

we are given that diagonal = 29" and width = 20", hence

height² = 29²  - 20²

height² = 841  - 400

height² = 441

height = √441 = 21 inches

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