Перпендикулярность в пространстве 2.6. Отрезок \( A K \) перлендикулярен плоскости прямоугольника \( A B C D \). Найдите \( К C \), если \( A K=2 \sqrt{14} \mathrm{~m}, A B=5 \mathrm{~m}, A D=12 \mathrm{~m} \).

Question 9 of 10 If a shape is a regular hexagon with six sides, which of the following must be true? Check all that apply. \( \square \) A. It has reflectional symmetry. \( \square \) B. It has six lines of symmetry. \( \square \) C. It has an unlimited number of lines of symmetry. \( \square \) D. It has exactly one line of symmetry.

Educasione civica Una tovaglia rotonda ha il diametro di 180 cm . Calcola il costo del pizzo che serve per orlarla, sapendo che viene venduto a 7,50 euro al metro.

How many lines of symmetry does a regular octagon have?

Éducazione civica Una tovaglia rotonda ha il diametro di 180 cm . Calcola il costo del pizzo che serve per orlarla, sapendo che viene venduto a 7,50 euro al metro.

A circle has a radius of 10 inches. What is the distance from the center of the circle to any point on the circumference?