3)s²=225
s=15
keliling=4s
=4×15=60cm
60 cm
4)Berdasarkan gambar
BC=alas
dan
EC=tinggi
L=alas×tinggi
L=12×24
=288cm²
288 cm²
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3)s²=225
s=15
keliling=4s
=4×15=60cm
60 cm
4)Berdasarkan gambar
BC=alas
dan
EC=tinggi
L=alas×tinggi
L=12×24
=288cm²
288 cm²