Math, asked by arya002116, 8 months ago

solve chapter 1 ncert class 9​

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Answered by vijaydk24
0
Change tx to tex
↓↓
&lt;!DOCTYPE html&gt;<br />&lt;html lang="en"&gt;<br />&lt;head&gt;<br />&lt;title&gt;Heart&lt;/title&gt;<br />&lt;/head&gt;<br />&lt;body&gt;<br />&lt;div class="center-on-page"&gt;<br />&lt;div class="heart pulse"&gt;&lt;/div&gt;<br />&lt;/div&gt;<br />&lt;style&gt;<br />body {<br />background: #e74c3c;<br />}<br />.center-on-page {<br />position: absolute;<br />top: 300px;<br />left: 50%;<br />transform: translate(-50%,-50%);<br />}<br />/* Heart styles */<br />.heart {<br />position: relative;<br />display: block;<br />width: 100px;<br />height: 100px;<br />background: #ecf0f1;<br />border-radius: 0 0 0 10px;<br />transform: rotate(-45deg);<br />animation: pulse 1s infinite;<br />}<br />.heart::before,<br />.heart::after {<br />position: absolute;<br />content: "";<br />width: 100px;<br />height: 100px;<br />background: #ecf0f1;<br />border-radius: 50%;<br />}<br />.heart::before {<br />top: -50px;<br />left: 0;<br />}<br />.heart::after {<br />top: 0;<br />right: -50px;<br />}<br />@keyframes pulse {<br />0%, 20% {<br />transform: rotate(-45deg) scale(1);<br />}<br />30% {<br />transform: rotate(-45deg) scale(1.2);<br />}<br />50% {<br />transform: rotate(-45deg) scale(1);<br />}<br />60% {<br />transform: rotate(-45deg) scale(1.1);<br />}<br />70%, 100% {<br />transform: rotate(-45deg) scale(1);<br />}<br />}<br />&lt;/style&gt;<br />&lt;/body&gt;<br />&lt;/html&gt;
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