Jawaban:
maaf kalo salah
Penjelasan dengan langkah-langkah:
No.1
L = PxL
38 x 69 = 2.622 cm
No.2
topi berbentuk segitiga ,dgn pnjg msing2 10cm
keliling topi tersebut adalah = 10+ 10+10 = 30
No.3
luas Abcd = 240
panjang ( ab ) = 24
Db = 26
lebar ( bc ) = ???
jawb : L = pxl
240 = 24 x L
240 : 24 = L
L = 10
tentukan keliling DCB = DB + BC + CD
= 26 + 10 + 24 = 60
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Jawaban:
maaf kalo salah
Penjelasan dengan langkah-langkah:
No.1
L = PxL
38 x 69 = 2.622 cm
No.2
topi berbentuk segitiga ,dgn pnjg msing2 10cm
keliling topi tersebut adalah = 10+ 10+10 = 30
No.3
luas Abcd = 240
panjang ( ab ) = 24
Db = 26
lebar ( bc ) = ???
jawb : L = pxl
240 = 24 x L
240 : 24 = L
L = 10
tentukan keliling DCB = DB + BC + CD
= 26 + 10 + 24 = 60