d – przekątna podstawy
2² + 4² = d²
d² = 20
d = √20
d = 2√5
7² - (2√5 / 2) = h²
h² = 49 – 5
h² = 44
h = √44
h = 2√11
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d – przekątna podstawy
2² + 4² = d²
d² = 20
d = √20
d = 2√5
7² - (2√5 / 2) = h²
h² = 49 – 5
h² = 44
h = √44
h = 2√11