B. 8 cm
Penjelasan dengan langkah-langkah:
Panjang TQ
= (30-18) : 2
= 12 : 2
= 6 cm
Panjang RT (tinggi)
= 8 cm
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B. 8 cm
Penjelasan dengan langkah-langkah:
Panjang TQ
= (30-18) : 2
= 12 : 2
= 6 cm
Panjang RT (tinggi)
= 8 cm