Tolong dibantu.... dengan cara ya...
Terima Kasih
Terima Kasih
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Di dalam segitiga
= L/s = (8 × 15 × 1/2) : [(17 + 8 + 15): 2]
= 60 : 20
= 3 cm
Di luar segitiga
= a × b × c : 4L
= 8 × 15 × 17 : 4 × 60
= 2040 : 240
= 8,5 cm
Jadi jawaban nya
D. 8,5 cm
Semoga bermanfaat;)