El área de un trapecio isósceles es de 63 cm²
base menor es 3/4 de la base mayor
bm = 3/4(bM)
bm/bM = 3/4
bm = 3k
bM = 4k
la altura es 2/3 de la base menor
h = 2/3(3k)
h = 2k
reemplazamos los datos
area del trapecio = (bM +bm)h / 2
63 cm² = (4k +3k)2k / 2
63 cm² = (7k)k
63 cm² = 7k²
9 cm² = k²
k= 3 cm
piden las dimensiones del trapecio
bm = 3(3 cm) = 9 cm
bM = 4(3 cm ) = 12 cm
h= 2( 3 cm) = 6 cm
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El área de un trapecio isósceles es de 63 cm²
base menor es 3/4 de la base mayor
bm = 3/4(bM)
bm/bM = 3/4
bm = 3k
bM = 4k
la altura es 2/3 de la base menor
h = 2/3(3k)
h = 2k
reemplazamos los datos
area del trapecio = (bM +bm)h / 2
63 cm² = (4k +3k)2k / 2
63 cm² = (7k)k
63 cm² = 7k²
9 cm² = k²
k= 3 cm
piden las dimensiones del trapecio
bm = 3k
bm = 3(3 cm) = 9 cm
bM = 4k
bM = 4(3 cm ) = 12 cm
h = 2k
h= 2( 3 cm) = 6 cm