{"version":"1.0","provider_name":"Studijni-svet.cz","provider_url":"https:\/\/studijni-svet.cz\/kurzy","author_name":"Studijni-svet.cz","author_url":"https:\/\/studijni-svet.cz\/kurzy\/author\/admin\/","title":"Kosinov\u00e1 v\u011bta \u0159e\u0161en\u00fd p\u0159\u00edklad | Studijni-svet.cz","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"zbKWbA3Bmi\"><a href=\"https:\/\/studijni-svet.cz\/kurzy\/courses\/matematika-k-maturite\/lekce\/kosinova-veta-reseny-priklad\/\">Kosinov\u00e1 v\u011bta \u0159e\u0161en\u00fd p\u0159\u00edklad<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/studijni-svet.cz\/kurzy\/courses\/matematika-k-maturite\/lekce\/kosinova-veta-reseny-priklad\/embed\/#?secret=zbKWbA3Bmi\" width=\"600\" height=\"338\" title=\"&#8222;Kosinov\u00e1 v\u011bta \u0159e\u0161en\u00fd p\u0159\u00edklad&#8220; &#8212; Studijni-svet.cz\" data-secret=\"zbKWbA3Bmi\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/studijni-svet.cz\/kurzy\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"Zad\u00e1n\u00ed: \u0160esti\u00faheln\u00edk ABCDEF se skl\u00e1d\u00e1 ze dvou \u010dtverc\u016f AXEF a XBCD, rovnostrann\u00e9ho troj\u00faheln\u00edku XDE a tupo\u00fahl\u00e9ho troj\u00faheln\u00edku ABX. D\u00e9lka strany AF je 6 cm. Vypo\u010d\u00edtejte d\u00e9lku strany AB. \u0158e\u0161en\u00ed: Poj\u010fme si vypsat co zn\u00e1me: V\u00edme, \u017ee \u0161esti\u00faheln\u00edk ADBCDEF je tvo\u0159en dv\u011bma \u010dtverci a dv\u011bma troj\u00faheln\u00edky. Strany \u010dtverc\u016f AXEF a XBCD m\u011b\u0159\u00ed 6 cm. (Pojmenujme si ... Read more"}