Tolong di jawab nomor 4
Matematika
lisyaakhirani
Pertanyaan
Tolong di jawab nomor 4
1 Jawaban
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1. Jawaban Anonyme
∆KLM siku di L
sin M = KL/KM = 2/3
KM = 3/2 KL
KM = 3/2 √10 cm
cos M = √(1 - sin² M)
cos M = √((9 - 4)/9) = 1/3 √5
cos M = LM/KM
LM = KM cos M
LM = 3/2 √10 . 1/3 √5
LM = 5/2 √2 cm