Diện tích hình tam giác là : 604 , 64 x 3/4 = 453 , 48 ( cm vuong )
Cạnh đáy tấm bia là : 453 , 48 x 2 : 24 = 37 , 79
Diện tích tam giác đó là:
604,64 :\(\frac{4}{3}\)= 453,48 ( cm2 )
Cạnh đáy của tam giác đó là:
453,48 x 2 : 24 = 37,79 ( cm )
Đ/S: 37,79 cm
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