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2. Luas bangun 1 = SxS = 7x7 = 49
Luas bangun 2 = pxl = 30x7 = 210
luas bangun 1 + luas bangun 2 = 49+210= 259
3. Luas bangun 1 = jml sisi sejajar x t : 2
= (8+3+8+3)x4 : 2
= 25x2 = 50
Luas bangun 2 = SXS = 8x8 = 64
luas bangun 1+ luas bangun 2 = 50+64= 114
4. Luas bangun 1 = alasxtinggi = 15x8 = 120
Luas bangun 2 = pxl = (15-6)x6 = 9x6 = 54
luas bangun 1 + luas bangun 2= 120+54 = 174
5. Luas bangun 1 = luas bangun 2
luas bangun 1 + luas bangun 2 = 2xLuas bangun 1
=2xjml sisi sejajar x t : 2
=2x(10+5)x5 : 2
=15x5 = 75