Jawaban:
Lp= 2πr (r+t)
=2x 22/7 x14 (14+30)
=44x2 x (34)
=88x34
=2.992 cm²
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Jawaban:
Lp= 2πr (r+t)
=2x 22/7 x14 (14+30)
=44x2 x (34)
=88x34
=2.992 cm²