Tolong dong no.40, bingung nih hehehe​

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Tolong dong no.40, bingung nih hehehe​

Tolong dong no.40, bingung nih hehehe​

Penjelasan dengan langkah-langkah:

luas total

= (6 x 3) + (1/2 x 6 x 6) – (1/2 x 6 x 3)

= 18 + 18 – 9

= 27 satuan luas