no.23
segitiga L= ½ x alas x tinggi
=½ x 45(25+10+10) x 18
=45 x 9 =405
persegi L = S x S
= 25 x 25
= 625
405+625= 1030
jadi jawaban nya D. 1030
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no.23
segitiga L= ½ x alas x tinggi
=½ x 45(25+10+10) x 18
=45 x 9 =405
persegi L = S x S
= 25 x 25
= 625
405+625= 1030
jadi jawaban nya D. 1030