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04-05-2020
Mathematics

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Math question please help!!

Math question please help class=

Respuesta :

kausarraza1200 kausarraza1200

04-05-2020

Answer:

16.8

Step-by-step explanation:

using pythagoreous theory

21²-12.6²=x²

282.4=x²

√x² = √282.24

x=16.8

Answer Link

jcatano189 jcatano189

04-05-2020

16.8 I’m 100% sure good luck

Answer Link

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