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We will be given an isosceles triangle with specified side lengths and our task will be to calculate its area. To do this, we will use the Pythagorean theorem, which will help us calculate the height of the triangle so that we can use the formula for calculating the area. More videos and interactive exercises can be found at https://cs.khanacademy.org The Khan Academy is responsible for Czech translations. Want to help us? Sign up here: https://cs.khanacademy.org/contribute Follow us on social media! Facebook: / khanovaskola Twitter: / khanovaskola Instagram: / cskhanacademy YouTube Original ID: yZ4CbopnVBg