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maka
s = 208 : 4
s = 52
52 = √(d1/2)² + (d2/2)²
52 = √(96/2)² + (d2/2)²
52 = √48² +( d2/2)²
maka d2 : 2 adalah
√52² - 48²
√2704-2304
√400
√20²
=20
maka d2/2 = 20
maka d2 = 20 x 2 = 40 cm
luas = d1 x d2 x 1/2
luas = 96 x 40 x 1/2
luas = 96 x 20
luas = 1920 cm²
208 = s x 4
s = 52
s = sisi miring
alas ∆ = 96 : 2 = 48
Phytagoras
√52^ - 48^ = √400 = 20cm
d1 = 96
d2 = 20 x 2 = 40
L = d1 x d2 : 2
L = 96 x 40 : 2
L = 1920cm^