(C) (D) 6 32. Let AABC - ADEF and their areas be, respectively 64 cm? and 121, cm2. If EE = 15.4 cm, then BC is : 1 (A) 11.2 cm (B) 11.4 cm (C) 12.4 cm (D) None of these 33. What will be the coordinates of a centroid of a triangle whose vertices are (4, -8), (-9, 7) and (8, 13)? 1 34. If the radius of a circle is tripled, then the ratio of the area of the circle obtained to the area of the given circle will be : 1 35. What will be the distance between the points (a, 0) and (0, a)? 1 1 36. For what value of 0, the cos 0 = -? 1 37. Which is larger than two complementary angles is 18° more than the smaller angle. What will be the 1 value of small angle? 38. A ladder 20 m feet long reaches the window of a building, which is 16 m above the ground. What 1 will be the distance from the building to the lower end of the ladder? 1 39. The longest chord of a circle is 1 40. The ratio of two numbers is 5:7 and if the sum is 360, what will be the larger number?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Question
(C)
(D)
32. Let AABC - ADEF and their areas be, respectively 64 cm? and 121, cm2. If EE =15.4 cm, then
BC is :
1
(A) 11.2 cm
(B) 11.4 cm
(C). 12.4 cm
(D) None of these
33. What will be the coordinates of a centroid of a triangle whose vertices are (4,-8), (-9, 7) and (8, 13)?
34. If the radius of a circle is tripled, then the ratio of the area of the circle obtained to the area of the
given circle will be :
1
35. What will be the distance between the points (a, 0) and (0, a)?
1
36. For what value of 0, the cos 0 =
37. Which is larger than two complementary angles is 18° more than the smaller angle. What will be the
value of small angle?
1
38. A ladder 20 m feet long reaches the window of a building, which is 16 m above the ground. What
1
will be the distance from the building to the lower end of the ladder?
39. The longest chord of a circle is
1
40. The ratio of two numbers is 5:7 and if the sum is 360, what will be the larger number?
Transcribed Image Text:(C) (D) 32. Let AABC - ADEF and their areas be, respectively 64 cm? and 121, cm2. If EE =15.4 cm, then BC is : 1 (A) 11.2 cm (B) 11.4 cm (C). 12.4 cm (D) None of these 33. What will be the coordinates of a centroid of a triangle whose vertices are (4,-8), (-9, 7) and (8, 13)? 34. If the radius of a circle is tripled, then the ratio of the area of the circle obtained to the area of the given circle will be : 1 35. What will be the distance between the points (a, 0) and (0, a)? 1 36. For what value of 0, the cos 0 = 37. Which is larger than two complementary angles is 18° more than the smaller angle. What will be the value of small angle? 1 38. A ladder 20 m feet long reaches the window of a building, which is 16 m above the ground. What 1 will be the distance from the building to the lower end of the ladder? 39. The longest chord of a circle is 1 40. The ratio of two numbers is 5:7 and if the sum is 360, what will be the larger number?
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