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= 1/2 . 16
= 8
LN = 2.y
y² = KL²-x²
y² = 10²-8²
y² = 100-64
y² = 36
y = √36
y = 6
LN = 2y = 2.6 = 12 cm
Luas = 1/2 . KM . LN
= 1/2 . 16.12
= 96 cm²
sisi (KL) = 10 cm
d₁ (KM) = 16 cm
Dit : L?
Jb :
Mencari d₂ (NL) phytagoras :
=
=
=
= 6
= 6 cm + 6 cm = 12 cm
L = 1/2 x d₁ x d₂
L = 1/2 x 16 x 12
L = 96 cm²