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270 = 3y x 5y x 1/2
270 x 2 = 15y²
540 = 15y²
540 : 15 = y²
36 = y²
√36 = y
6 = y
PR = d1 = 3y = 3 x 6 = 18 cm
270 = 1/2 x (3x) x (5x)
270 = 1/2 x 15x²
270x2/1 = 15x²
540 = 15x²
540/15 = x²
36 = x²
√36 = x
6 = x
diagonal 1/PR = 3x6 = 18cm
Diagonal 2/QS = 5x6 = 30cm
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