Panjang = 12
Tinggi = 16
Sisi miring = ?
Keliling = ?
Sisi miring = 12²+16²
Sisi miring = 20²
Sisi miring = 20
Keliling = 12+16+20
Keliling = 48
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Panjang = 12
Tinggi = 16
Sisi miring = ?
Keliling = ?
Sisi miring = 12²+16²
Sisi miring = 20²
Sisi miring = 20
Keliling = 12+16+20
Keliling = 48
s = √(12² + 16²)
s = √144 + 256
s = √400
s = 20 cm
#s yang dibawah ini untuk rumus#
s = 1/2 × (20 + 12 + 16)
= 1/2 × 48
= 24 cm
Luas segitiga :
L = 1/2 × 12 × 16
= 96 cm²
Jari-jari lingkaran dalam :
r = L/s
= 96 / 24
= 4 cm
Keliling lingkaran dalam :
k = 2 × π × r
= 2 × 3,14 × 4
= 25,12 cm
#Jadikan jawaban terbaik ya^^