Jawab:
Penjelasan dengan langkah-langkah:
panjang siku siku lainnya = √ (26²-10²)
= √( 676-100)
= √ 576
= 24 cm
Luas Δ = ¹/₂ . a .t
= ¹/₂ .24. 10
= 120 cm²
jari jari luar lingkaran = a. b. c / (4L) = 10. 24 . 26 / ( 4 .120) = 13 cm
s = ¹/₂ ( 10 + 24 + 26)
= 30
jari jari dalam = L/s = 120/30 = 4 cm
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Jawab:
Penjelasan dengan langkah-langkah:
panjang siku siku lainnya = √ (26²-10²)
= √( 676-100)
= √ 576
= 24 cm
Luas Δ = ¹/₂ . a .t
= ¹/₂ .24. 10
= 120 cm²
jari jari luar lingkaran = a. b. c / (4L) = 10. 24 . 26 / ( 4 .120) = 13 cm
s = ¹/₂ ( 10 + 24 + 26)
= 30
jari jari dalam = L/s = 120/30 = 4 cm