Cuántas diagonales se pueden trazar en un polígono de 12 lados desde todos sus vértices?

(iv) If Three vectors are coplanar then of These vecto will be zero. (i) Vector triple product (ii) Scalar triple product (iii) Both (i) \& (ii) (iv) None of These

3. Дана фигура, как показано на рисунке 1 . Найдите: А) тангенс угла между прямой \( A G \) и плоскостью \( A B C D \) В) тангенс угла между плоскостями \( F J I G \) и \( E H G F \).

EXERCISE 8A s at a distance of 29 cm from the centre of a circle of radius the length of the tangent drawn from \( P \) to the circle, [CBSE 2017]

43. What is the difference between the total surface area and curved surface area of a cylinder whose radius is equal to 10 cm ? \( \begin{array}{ll}\text { (a) } 200 \pi \mathrm{~cm}^{2} & \text { (b) } 300 \pi \mathrm{~cm}^{2} \\ \text { (c) } 100 \pi \mathrm{~cm}^{2} & \text { (d) } 10 \pi \mathrm{~cm}^{2}\end{array} \)

119. Дан треугольник \( H K P \). Постройте треугатьния \( A B C \) в котором \( \angle A=\angle H, \angle B=\angle K, A B=2 H K \).