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luas : jumlah sisi sejajar x tinggi bagi 2 = 10+10 x 8 = 160/2 = 80 cm
b) keliling : (4 x s ) + (√10^2 - √6^2) = 4 x 8 = 32 cm + √100 - √36 = 32 + √64 = 32 + 8 = 40 cm
luas : s x s + (√10^2 - √6^2) = 8 x 8 + √100 - √36 = 64 + √64 = 64 + 8 = 52 cm
yang c aku gatau hehe
d) keliling : atap+alas+kaki1+kaki2 = 9 + 4 + 15 + 15 = 43 cm
luas : jumlah sisi sejajar x tinggi = 30 x 12 = 360 cm
maaf kalo ada yg salah, koreksi lagi yaa makasih ☺