alas segitiga = x
x^2 = 35^2 - 21^2
= 1225 - 441 = 784
x = 28
Luas permukaan :
(20 x 35) + (20 x 28) + (20 x 21) + (21 x 28/2 x 2)
= 700 + 560 + 420 + 588 = 2268 cm^2
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alas segitiga = x
x^2 = 35^2 - 21^2
= 1225 - 441 = 784
x = 28
Luas permukaan :
(20 x 35) + (20 x 28) + (20 x 21) + (21 x 28/2 x 2)
= 700 + 560 + 420 + 588 = 2268 cm^2