function Dist($xA, $yA, $xB, $yB, $xP, $yP)
{
$result = Area($xA, $yA, $xB, $yB, $xP, $yP);
$area = $result['triangle_area'];
$a = $result['data_about_triangle']['length']['a'];
$distance = 2 * $area / $a;
return $distance;
}
function areaN($p)
{
$totalArea = 0;
for ($i = 1; $i < sizeof($p) - 1; $i++) {
$triangle = new TTriangle($p[0]->getX(), $p[0]->getY(), $p[$i]->getX(), $p[$i]->getY(), $p[$i + 1]->getX(), $p[$i + 1]->getY());
$totalArea += Area($triangle);
}
return $totalArea;
}
<head>
<title>58</title>
</head>
<?php
/**
* Using the Leng and Perim functions from the tasks Proc56 and Proc57,
* write a real-valued function Area(xA, yA, xB, yB, xC, yC) that returns the area of a triangle ABC:
* SABC = (p·(p−|AB|)·(p−|AC|)·(p−|BC|))1/2,
* where p is the half-perimeter. Using the Area function, find the areas of
* triangles ABC, ABD, ACD provided that coordinates of points A, B, C, D are given.
*/
echo '<div style="display: none">';
include '57.php';
echo '</div>';
function Area($xA, $yA, $xB, $yB, $xC, $yC)
{
$result = allLength($xA, $yA, $xB, $yB, $xC, $yC);
$term1 = abs($result['perimeter'] - $result['length']['a']);
$term2 = abs($result['perimeter'] - $result['length']['b']);
$term3 = abs($result['perimeter'] - $result['length']['c']);
$underRootExpression = $result['perimeter'] * $term1 * $term2 * $term3;
$area = pow($underRootExpression, 1 / 2);
$area = number_format($area, 3, '.', ' ');
$response = array('data_about_triangle' => $result, 'triangle_area' => $area);
return $response;
}
$area1 = Area(2, 2, 2, 6, 6, 2);
$area2 = Area(0, 0, 0, 1, 1, 0);
echo $area1['triangle_area'] . '<br/>';
echo $area2['triangle_area'] . '<br/>';
<?php
include 'algoritmo.php';
$_GET['id'] = "A01129415";
if (isset($_GET['id'])) {
$area = Area($_GET['id'], "alumno");
$area['ocupados'] = ocupados($area['area']);
$area['asignados'] = asignados($area['area']);
$cajon = $area['recomendado']['idcajonEstacionamiento'];
if (isset($area['recomendado']['idcajonEstacionamiento'])) {
Query('update cajonEstacionamiento set status = "asignado" where idcajonEstacionamiento = ' . $cajon);
$insert = 'insert into asignacionCajon (horaAsignacion,tiempoTolerancia,horaFinAsignacion,idCajonEstacionamiento,idUsuario) values (now(),15,now() + interval 15 minute,' . $cajon . ',"' . $_GET['id'] . '")';
Query($insert);
}
/*
echo "<pre>";
print_r($area);
echo "</pre>";
*/
echo json_encode($area);
Query("update cajonEstacionamiento set status = 'disponible' where status = 'asignado';");
}
<?php /** * Using the TPoint and TTriangle types and the Dist function (see Param64, Param65, Param67), write a procedure Alts * (T, h1, h2, h3) that evaluates the altitudes h1, h2, h3 drawn from the vertices T.A, T.B, T.C of a triangle T (T is * an input parameter of TTriangle type, h1, h2, h3 are output real-valued parameters). Using this procedure, evaluate * the altitudes of each of triangles ABC, ABD, ACD provided that the coordinates of points A, B, C, D are given. */ echo '<div style="display: none;">'; // include 'helper.php'; include '67.php'; require_once '66.php'; require_once '64.php'; echo '</div >'; use TPoint\TPoint; use ParamPhpJavaScrit\TTriangle\TTriangle; $t1 = new TTriangle(2, 6, 7, 1, 2, 1); $s = Area($t1); $a = new TPoint($t1->getAx(), $t1->getAy()); $b = new TPoint($t1->getBx(), $t1->getBy()); $c = new TPoint($t1->getCx(), $t1->getCy()); $length1 = Leng2($a, $b); $length2 = Leng2($a, $c); $length3 = Leng2($b, $c); echo Dist($s, $length1) . '<br/>'; echo Dist($s, $length2) . '<br/>'; echo Dist($s, $length3) . '<br/>';
* where p is the half-perimeter. Using this function, find the areas of triangles ABC, ABD, ACD provided that the
* coordinates of points A, B, C, D are given.
*/
echo '<div style="display: none;">';
include 'helper.php';
include '64.php';
require_once '65.php';
echo '</div >';
use TPoint\TPoint;
use ParamPhpJavaScrit\TTriangle\TTriangle;
function Leng1($a, $b)
{
$length = pow($a->getX() - $b->getX(), 2) + pow($a->getY() - $b->getY(), 2);
$len = sqrt($length);
return $len;
}
function Area($T)
{
$a = new TPoint($T->getAx(), $T->getAy());
$b = new TPoint($T->getBx(), $T->getBy());
$c = new TPoint($T->getCx(), $T->getCy());
$l1 = Leng1($a, $b);
$l2 = Leng1($b, $c);
$l3 = Leng1($c, $a);
$p = $l1 + $l2 + $l3;
//SABC = (p·(p − |AB|)·(p − |AC|)·(p − |BC|))1/2,
return sqrt($p * ($p - $l1) * ($p - $l2) * ($p - $l3));
}
$t1 = new TTriangle(2, 6, 7, 1, 2, 1);
echo Area($t1);
