PEMBAHASAN
Trigonometri
∆ABC siku di B
BC = √(AC² - AB²)
BC = √(25² - 7²)
BC = √(625 - 49)
BC = 24 cm
sin α
= sisi depan / sisi miring
= BC/AC
= 24/25
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PEMBAHASAN
Trigonometri
∆ABC siku di B
BC = √(AC² - AB²)
BC = √(25² - 7²)
BC = √(625 - 49)
BC = 24 cm
sin α
= sisi depan / sisi miring
= BC/AC
= 24/25