AB = AC = 20 cm
AO = 16 cm
CO = 12 cm
keliling = AB + AC + BC
= 20 + 20 + (CO x 2)
= 20 + 20 + 24 = 64 cm
Luas = alas x tinggi/2
= (CO x 2) x 16/2 = 24 x 8 = 192 cm^2
Jawabannya A. 192 cm^2 dan 64 cm
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AB = AC = 20 cm
AO = 16 cm
CO = 12 cm
keliling = AB + AC + BC
= 20 + 20 + (CO x 2)
= 20 + 20 + 24 = 64 cm
Luas = alas x tinggi/2
= (CO x 2) x 16/2 = 24 x 8 = 192 cm^2
Jawabannya A. 192 cm^2 dan 64 cm