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Lp.limas=14²+4(14x25x/2)
Lp.limas=196+700
Lp.limas=896 cm²
semoga bermanfaat :)
t = 24 cm
t segitiga = √24²+7² = √576+49 = 25 cm
L segitiga = 1/2 x 14 x 25 = 175 cm²
L permukaan = La + 4L segitiga
= 196 + 4 x 175
=896 cm²