ini jawabannya ya
maaf kalo salah, tapi menurut ku seperti itu
Perhatikan lampiran gambar.
BC = CD = DE = EF = FA = 10 cm
AB = 22 cm
AX = BY =
AX = BY = 6 cm
Mencari CY atau AX.
CB² = CY² + BY²
10² = CY² + 6²
100 = CY² + 36
CY² = 100-36
CY = √64
CY = AX = 8 cm
Mencari Luas keseluruhan.
L = (ED × DY) + 2( × CY × BY)
L = (10 × (10+8)) + 2( × 8 × 6)
L = 180 + 2(24)
L = 180 + 48
L = 228 cm²
Jadi, luas keseluruhan bidang tersebut adalah 228 cm².
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ini jawabannya ya
maaf kalo salah, tapi menurut ku seperti itu
Perhatikan lampiran gambar.
BC = CD = DE = EF = FA = 10 cm
AB = 22 cm
AX = BY =
AX = BY =
AX = BY =
AX = BY = 6 cm
Mencari CY atau AX.
CB² = CY² + BY²
10² = CY² + 6²
100 = CY² + 36
CY² = 100-36
CY = √64
CY = AX = 8 cm
Mencari Luas keseluruhan.
L = (ED × DY) + 2( × CY × BY)
L = (10 × (10+8)) + 2( × 8 × 6)
L = 180 + 2(24)
L = 180 + 48
L = 228 cm²
Jadi, luas keseluruhan bidang tersebut adalah 228 cm².