Jawab:
A(-1,0), B(0,4), C(4,0)
AB = √17
BC = 4√2
AC = 5
Penjelasan dengan langkah-langkah:
Luas ABC = 1/2 (4)(5) = 10
r = a.b.c/ 4 L
r = (20√34) / (4.10)
r = 1/2 √34
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Jawab:
A(-1,0), B(0,4), C(4,0)
AB = √17
BC = 4√2
AC = 5
Penjelasan dengan langkah-langkah:
Luas ABC = 1/2 (4)(5) = 10
r = a.b.c/ 4 L
r = (20√34) / (4.10)
r = 1/2 √34