180 Days of Second Grade Practice, 2nd Grade Workbook Set for Kids Ages 6-8, Includes 6 Assorted Se

180 Days of Second Grade Practice, 2nd Grade Workbook Set for Kids Ages 6-8, Includes 6 Assorted Se

Matematika Di ketahui segitiga sama sisi panjang sisi AC= 12 cm dan panjang sisi BC= 24 cm sudut C= 30°. Tentukan luas segitiga ABC​.

Di ketahui segitiga sama sisi panjang sisi AC= 12 cm dan panjang sisi BC= 24 cm sudut C= 30°. Tentukan luas segitiga ABC​.

Jawaban:

144cm²

Penjelasan dengan langkah-langkah:

L=½ AC.BC

=½.12cm.24cm

=144cm²

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