Jawab:
Mencari panjang PR=|/PQ^2+QR^2=|/12^2+9^2=|/144+81=|/225=15cm
Luas sisi PQRS=2×(luasPQR) +2×(luas PRS)=2×(9cm×12cm/2)+2×(8cm×15cm/2)=108cm^2+120cm^2=228cm^
selamat belajar dik
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Jawab:
Mencari panjang PR=|/PQ^2+QR^2=|/12^2+9^2=|/144+81=|/225=15cm
Luas sisi PQRS=2×(luasPQR) +2×(luas PRS)=2×(9cm×12cm/2)+2×(8cm×15cm/2)=108cm^2+120cm^2=228cm^
selamat belajar dik