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5x6 = 30
3,14x25x1/2 = 39,25
Jawab = 169,25cm² dan 67,4cm
b. 5x8 = 40
15x√96 = 15√96 = 4√6
Jawab = 40 + 4√6cm² dan 74cm
JAWABAN TERBAIK YAAAAAAAAAAAAAA
=(10×10)+(6×5)+(0,5(3,14×5×5))
=100+30+39,25
=169,25 cm²
K = (K setengah lingkaran)+10+10+10+10
=(1/2 × 2×3,14×5)+40
=15,7+40
=55,7 cm
b.L = (L bangun 1)+(L bangun 2)
=(5×8)+(25+5÷2×5(anggap sj tingginya segini))
=40+75=115
K=5+14+10+8+5+8+10+14
=80 cm