Jawaban:
6. 10 cm
7. 216 cm
8. 300 cm
Penjelasan dengan langkah-langkah:
6.
Diketahui
ST = 5 cm
Ditanya
QR + PT
QR = ST
PT = ST
QR + PT = 5 + 5
= 10 cm
7.
P = 54
K = S+S+S+S
= 54+54+54+54
= 216 cm
8.
P = 630
K = 1.860
Lebar = Keliling ÷ 2 - Panjang
= 1.860 ÷ 2
= 930 - 630
= 300 cm
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Jawaban:
6. 10 cm
7. 216 cm
8. 300 cm
Penjelasan dengan langkah-langkah:
6.
Diketahui
ST = 5 cm
Ditanya
QR + PT
QR = ST
PT = ST
QR + PT = 5 + 5
= 10 cm
7.
Diketahui
P = 54
Ditanya
K = S+S+S+S
= 54+54+54+54
= 216 cm
8.
Diketahui
P = 630
K = 1.860
Ditanya
Lebar = Keliling ÷ 2 - Panjang
= 1.860 ÷ 2
= 930 - 630
= 300 cm