Example It Draw any quadrilateral ABCD. Measure its angles. Find the sum of the internal ingles of the quadrilateral.

Define congruent triangles(SSS criterion) baserve the table given below. Find the re

(c) The planes \( \Pi_{2} \) and \( \Pi_{3} \) are with equations \( \left.2 x+2 y+1\right) \) respectively, where \( p \) is a constant. (i) Find the vector equation of the line of intersection between planes \( \Pi_{1} \) and \( \Pi_{2} \). (ii) Determine the value of \( p \) such that the planes \( \Pi_{1}, \Pi_{2} \) and \( \Pi_{3} \) do not have any common point.

Vhat is the area of the circular ring included between two concentri irclec of radius 14 cm and 10.5 cm ?

Geometric Mean of 4,2 and 8 is? Select one: a. -2 b. 0 c. 4 d. 9

Q2: \( (8 \) Marks) For the points, \( P(0,1,-1), Q(1,2,0) \), and \( R(1,3,2) \) : A- If \( u=\overline{P Q} \) and \( v=\overline{P R} \), find the vector projection of \( u \) onto \( v \), and the scalar component of \( u \) in the direction of \( v \). B. Find the area of the triangle with vertices \( P, Q \), and \( R \).