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ts^2 = 25^2 - (14/2)^2
= 25^2 - 7^2
= 625 - 49
= 576
ts = akar576
ts = 24 cm
LP = (14 × 14) + (4 × 1/2 × 14 × 24)
= 196 + 672
= 868 cm^2