A = 625 cm² D · d (x) (2x) d = x A = ----------- 625cm² = -------------- D = 2x 2 2
625cm²(2) = 2x² 1250cm² = 2x² 1250cm² ÷ 2 = x² 625cm² = x² √625cm² = x 25cm = x ¿Cuánto mide cada diagonal? d = x = 25cm diagonal menor D = 2x = 2(25) = 50cm Diagonal mayor
Comprobación
A = D · d/2 625cm² = (25cm) (50cm)/2 625cm² = 1250cm²/2 625cm² = 625cm²
A = 625 cm² D · d (x) (2x)
d = x A = ----------- 625cm² = --------------
D = 2x 2 2
625cm²(2) = 2x²
1250cm² = 2x²
1250cm² ÷ 2 = x²
625cm² = x²
√625cm² = x
25cm = x
¿Cuánto mide cada diagonal?
d = x = 25cm diagonal menor
D = 2x = 2(25) = 50cm Diagonal mayor
Comprobación
A = D · d/2 625cm² = (25cm) (50cm)/2
625cm² = 1250cm²/2
625cm² = 625cm²