Khan Academy
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Khan Academy
Two of the points that define a certain quadrilateral are (-4,-2) and (0,5). The quadrilateral has a reflective symmetry over the lines y=x/2 and y=-2x+5. Draw and classify the quadrilateral. Created by Sal Khan.
Intro to rotational symmetry - Khan Academy
This one, the square is unchanged by a 180-degree rotation. Now what about this trapezoid right over here? Let's think about what happens when it's rotated by 180 degrees.
Khan Academy
Learn how to rotate shapes with step-by-step instructions and examples on Khan Academy.
Intro to rotational symmetry - Khan Academy
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खान अकेडमी - Khan Academy
लेसन 2: घूर्णन सममिति (Rotational symmetry) चक्रीय समरूपता का परिचय .
Intro to rotational symmetry (видео) | Хан академиясы
Lesson 7: Symmetry. Intro to reflective symmetry. Intro to rotational symmetry. Finding a quadrilateral from its symmetries ...
Кан Академия - Khan Academy
Мисията ни е да дадем на всеки и навсякъде безплатно образование на световно ниво.
खान अकेडमी - Khan Academy
ओह! लगता है कुछ गड़बड़ हो गई। कृपया पुन: प्रयास करें। अरे नहीं, लगता है कोई त्रुटि आ गई है। आपको रिफ्रेश करना पड़ेगा। यदि इसके बाद भी यह समस्या बनी रहती है ...
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