ง. ถ้าลากเส้นเชือมจุด \( A, B, C \) จะเป็นรูปสามเหลี่ยมด้านไม่เท่า 11. จงหาพื้นที่จากการลากเส้นเขื่อมจุด \( (0,3),(8,-4) \) และ \( (0,-4) \) เป็นกี่ตารางหน่วย \( \begin{array}{llll}\text { ก. } 18 & \text { ข. } 22 & \text { ค. } 28 & \text { ง. } 32\end{array} \)

3 Una circonferenza è lunga \( 47,1 \mathrm{~cm} \). Colcola la lunghezza del suo raggio.

Question 4 of 10 Only regular polydons with an odd number of sides are symmetrical. A. True B. False

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.

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?