Calculatia Aria Triunghiului ABC daca AB=2, BC=8 iar mABC=45 (grade)

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31 Agustus 2025 matematica 5 minute
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Calculatia Aria Triunghiului ABC daca AB=2, BC=8 iar mABC=45 (grade)
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(62)
A=AB·BC·sinABC
=2·8·radical din 2/2
=32radical din 2
Răspunsul a fost dat în data 31 Agustus 2025
(122)
[tex]A= \frac{1}{2}AB*BC *sin(\ \textless \ B) \\ A= \frac{1}{2}*2*8*sin45=8* \frac{ \sqrt{2} }{2}=4 \sqrt{2}cm^2 [/tex]
Răspunsul a fost dat în data 31 Agustus 2025

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