Respuesta:
Formula: [tex]A=\frac{(B+b)h}{2}[/tex]
a) B = 19 cm, b = 10 cm, h= 4 cm
[tex]A=\frac{(19+10)4}{2}\\A=\frac{116}{2} \\A=58cm^{2}[/tex]
b) B = 25 cm, b = 12 cm, h = 6 cm
[tex]A=\frac{(25+12)6}{2} \\\\A=\frac{222}{2} \\A=111cm^{2}[/tex]
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Verified answer
Respuesta:
Formula: [tex]A=\frac{(B+b)h}{2}[/tex]
a) B = 19 cm, b = 10 cm, h= 4 cm
[tex]A=\frac{(19+10)4}{2}\\A=\frac{116}{2} \\A=58cm^{2}[/tex]
b) B = 25 cm, b = 12 cm, h = 6 cm
[tex]A=\frac{(25+12)6}{2} \\\\A=\frac{222}{2} \\A=111cm^{2}[/tex]