Keliling trapesium??
sisi miring=√(15-10)²+12²
=√25+144
=√169
=13 cm
Keliling=a +b+c+d=15+12+10+13=50 cm
Luas jajar genjang
= alas x tinggi
= 15×12
= 180 cm²
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Keliling trapesium??
sisi miring=√(15-10)²+12²
=√25+144
=√169
=13 cm
Keliling=a +b+c+d=15+12+10+13=50 cm
Luas jajar genjang
= alas x tinggi
= 15×12
= 180 cm²