Q1: In the figure, P, Q and R are the mid-points of the sides BC, AC and AB of ΔABC. […]

Q1: In the given figure, AP and DP are bisectors of two adjacent angles A and D of quadrilateral ABCD.

Q1:  In the adjoining  figure, AB || CD. If ∠ APQ = 54° and ∠ PRD = 126°, then find

Long Question Answer: Introduction To Euclid’s Geometry Q1: Which of the following statements are true and which are false? Give

Q1: Find the value of k, if x = 2, y = 1 is a solution of the equation 2x

Q1: If the points A(x, y), B(3, 6) and C(-3, 4) are collinear, show that x – 3y + 15

Question 1. Factorise:  Solution:     Thus,     Question 2. Factorise: (x6 – y6)Solution: x6 – y6 = (x3)2 – (y3)2 = (x3 – y3)(x3 + y3)  [∵ a2 –

Q1.Simplify the following expressions: (i) (4 + √7) (3 + √2)(ii) (√5 – √3)2(iii) (√5 -2)( √3 – √5) Sol. 

Question 1. Find the mean of: 10, 90, 20, 80, 30 and 70. Solution: Number of observations = 6 Sum of the

Q1. If the circumference of the base of a right circular cylinder is 110 cm, then find its base area. Solution: Let