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= 22/7 x 14^2
= 22/7 x 196
= 616 cm^2
Luas segitiga = 1/2xaxt
= 1/2x?x16
a= √20^2-16^2
= √400-256
= √144
= 12
a=12
= 1/2 x 12 x 16
= 12 x 8
= 96 cm^2
Luas bangub abu2 adalah
616 cm^2 - 96 cm^2
= 520 cm^2
Maaf kalau salah, semga membantu