Articles
Register
Sign In
Search
sbikania
@sbikania
January 2021
1
53
Report
Bonjour pouvez vous m'aidez s'il vous plaît merci
Please enter comments
Please enter your name.
Please enter the correct email address.
Agree to
terms and service
You must agree before submitting.
Send
Lista de comentários
remilesochalieoz9a2c
Verified answer
1) On applique le théorème de Pythagore :
DE² = FE² + FD²
= 4.8² + 1.4²
= 23.04 + 1.96
= 25
DE = √25 = 5 cm
2) a) cos (DEF) = EF/ED = 4.8/5
Avec la calculatrice, tu obtiens DEF ≈ 16°
b) cos (EDF) = DF/DE = 1.4/5
Avec la calculatrice, tu obtiens EDF ≈ 74°
Voilà ! :)
2 votes
Thanks 1
More Questions From This User
See All
sbikania
January 2021 | 0 Respostas
Responda
sbikania
January 2021 | 0 Respostas
Responda
sbikania
January 2021 | 0 Respostas
Responda
sbikania
January 2021 | 0 Respostas
Responda
sbikania
January 2021 | 0 Respostas
Responda
sbikania
January 2021 | 0 Respostas
Responda
sbikania
January 2021 | 0 Respostas
Responda
sbikania
January 2021 | 0 Respostas
Responda
sbikania
January 2021 | 0 Respostas
Responda
sbikania
January 2021 | 0 Respostas
Responda
×
Report "Bonjour pouvez vous m'aidez s'il vous plaît merci.... Pergunta de ideia de sbikania"
Your name
Email
Reason
-Select Reason-
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Description
Helpful Links
Sobre nós
Política de Privacidade
Termos e Condições
direito autoral
Contate-Nos
Helpful Social
Get monthly updates
Submit
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Verified answer
1) On applique le théorème de Pythagore :DE² = FE² + FD²
= 4.8² + 1.4²
= 23.04 + 1.96
= 25
DE = √25 = 5 cm
2) a) cos (DEF) = EF/ED = 4.8/5
Avec la calculatrice, tu obtiens DEF ≈ 16°
b) cos (EDF) = DF/DE = 1.4/5
Avec la calculatrice, tu obtiens EDF ≈ 74°
Voilà ! :)