Question

24. ABC and BDE are two equilateral triangles such that D is mid-point of BC. Ratio of the

areas of triangles ABC and BDE is

(a) 2 : 1

(b) 1:4

(c) 1:2

(d) 4:1

25. Sides of two similar triangles are in the ratio 3 : 7. Areas of these triangles are in the ratio

(a) 9 : 35

(b) 9 : 49

(c) 49 : 9

(d) 9 : 42

CHAPTER 7

COORDINATE GEOMETRY

1. The distance of the point P(2, 3) from the x-axis is

(a) 2

(b) 3

(c) 1

(d) 5

2. The distance between the point P(1, 4) and Q(4, 0) is

(a) 4

(b) 5

(c) 6

(d) 3√3

3. The points (-5, 1), (1, p) and (4, -2) are collinear if

the value of p is

(a) 3

(b) 2

(c) 1

(d) -1​

Answer 1

Answer:

1 & 2 dont know srry

Apply distance formula in 3&4

Apply section formula