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<html>
<head>
<title>
area de un trapecio
</title>
<script language="javascript">
function trape(form){
var xbmay=eval(form.bmay.value);
var xbmen=eval(form.bmen.value);
var xaltura=eval (form.altura.value);
var xarea=eval (form.area.value);
xarea=(xbmay + xbmen)*xaltura/2;
form.area.value=xarea;
}
function xxx(){
window.close();
}
</script>
</head>
<body bgColor="purple">
<marquee bgcolor="black" behavior=alternate>
<i><font size=5 color="pink" face="algebrian">
AREA DE UN TRAPECIO
</font>
</i>
</marquee>
<form>
<center>
<table border="3">
<tr>
<td>
BASE MAYOR
</TD>
<TD>
<input type="text" name="bmay">
</td>
</tr>
<tr>
<td>BASE MENOR</td>
<td><input type="text" name="bmen"></td>
</tr>
<tr>
<td>ALTURA</td>
<td><input type="text" name="altura"></td>
</tr>
<tr>
<td>AREA:</td>
<td><input type="text" name="area" readonly>
</td>
</tr>
</table>
<input type="reset" name="limpiar" value="limpiar">
<input type="button" name="calcular1" value="Calcular" onclick="trape(this.form)">
<input type="button" name="salir" value="salir" onclick="xxx()">
</center>
</form>
</body>
</html>
<head>
<title>
area de un trapecio
</title>
<script language="javascript">
function trape(form){
var xbmay=eval(form.bmay.value);
var xbmen=eval(form.bmen.value);
var xaltura=eval (form.altura.value);
var xarea=eval (form.area.value);
xarea=(xbmay + xbmen)*xaltura/2;
form.area.value=xarea;
}
function xxx(){
window.close();
}
</script>
</head>
<body bgColor="purple">
<marquee bgcolor="black" behavior=alternate>
<i><font size=5 color="pink" face="algebrian">
AREA DE UN TRAPECIO
</font>
</i>
</marquee>
<form>
<center>
<table border="3">
<tr>
<td>
BASE MAYOR
</TD>
<TD>
<input type="text" name="bmay">
</td>
</tr>
<tr>
<td>BASE MENOR</td>
<td><input type="text" name="bmen"></td>
</tr>
<tr>
<td>ALTURA</td>
<td><input type="text" name="altura"></td>
</tr>
<tr>
<td>AREA:</td>
<td><input type="text" name="area" readonly>
</td>
</tr>
</table>
<input type="reset" name="limpiar" value="limpiar">
<input type="button" name="calcular1" value="Calcular" onclick="trape(this.form)">
<input type="button" name="salir" value="salir" onclick="xxx()">
</center>
</form>
</body>
</html>
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