1.0齊齊溫https://www.study-together.com/eduWingSirhttps://www.study-together.com/edu/author/takwing1hk/rich600338<blockquote class="wp-embedded-content" data-secret="DAsWcHWVbz"><a href="https://www.study-together.com/edu/secondary/form2_maths/areas-and-volumes/">11. 面積和體積 (Areas and Volumes)</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.study-together.com/edu/secondary/form2_maths/areas-and-volumes/embed/#?secret=DAsWcHWVbz" width="600" height="338" title="11. 面積和體積 (Areas and Volumes) — 齊齊溫" data-secret="DAsWcHWVbz" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !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); //# sourceURL=https://www.study-together.com/edu/wp-includes/js/wp-embed.min.js </script> 面積和體積 >> 這是一個初中學生年年都要學嘅課題。喺中一嘅時候大家其實只經學咗不少，中二加嘅面積公式主要係扇形嘅面積同弧長。其實只要明白公式入面嘅符號 r, h等代表咩，計數時大部份都係代數字、解方式。唔會太難, 只係題目會一年比一年深(但唔代表難咗)。唔信可以入嚟睇睇!https://www.study-together.com/edu/wp-content/uploads/2020/07/f1maths_sector.gif