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= 12 : 2
= 6
tingi trapesium
La = ( 10 + 22) x 8 : 2
= 32 x 4
= 128 cm²
ka = 2(10) + 22+10
= 20 + 22 + 10
= 52
luas pemukaan
Lp = 2(La ) + Ka x 15
= 2(128) + 52 x 15
= 256 + 780
= 1036
jawabnnya 1036 vm²