KM = 13 cm
LM = 12 cm
luas ... ?
KL = √KM² - LM²
= √13² - 12²
= √169 - 144
= √25
= 5 cm
=============
Luas = ½ × a × t
= ½ × 12 × 5
= 30 cm²
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Diketahui :
KM = 13 cm
LM = 12 cm
Ditanya :
luas ... ?
Jawaban :
KL = √KM² - LM²
= √13² - 12²
= √169 - 144
= √25
= 5 cm
=============
Luas = ½ × a × t
= ½ × 12 × 5
= 30 cm²