Respuesta:
1.- 10m
Explicación paso a paso:
[tex]400 {m}^{2} = \frac{80}{2} h \\ \frac{400 {m}^{2}(2) }{80m} = h \\ h = 10m \\ \\ 100 {m}^{2} = {l }^{2} \\ l = \sqrt{100 {m}^{2} } \\ l = 10m \\ como \: se \: reduce \: en \: 6m \\ l = 4m \\ {l}^{2} = a\\ {(4m)}^{2} = a \\ a = 16 {m}^{2} \\ \\ a = \frac{(b \: mayor + b \: menor)}{2} h \\ a = \frac{(28cm + 16cm)}{2} 5cm \\ a = 110 {cm}^{2} \\ \\ a = \frac{bh}{2} \\ 108 {cm}^{2} = \frac{(18cm)h }{2} \\ \frac{108 {cm}^{2}(2) }{18cm} = h \\ h = 12cm[/tex]
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Respuesta:
1.- 10m
Explicación paso a paso:
[tex]400 {m}^{2} = \frac{80}{2} h \\ \frac{400 {m}^{2}(2) }{80m} = h \\ h = 10m \\ \\ 100 {m}^{2} = {l }^{2} \\ l = \sqrt{100 {m}^{2} } \\ l = 10m \\ como \: se \: reduce \: en \: 6m \\ l = 4m \\ {l}^{2} = a\\ {(4m)}^{2} = a \\ a = 16 {m}^{2} \\ \\ a = \frac{(b \: mayor + b \: menor)}{2} h \\ a = \frac{(28cm + 16cm)}{2} 5cm \\ a = 110 {cm}^{2} \\ \\ a = \frac{bh}{2} \\ 108 {cm}^{2} = \frac{(18cm)h }{2} \\ \frac{108 {cm}^{2}(2) }{18cm} = h \\ h = 12cm[/tex]