The angle of depression of the top and the bottom of an 8m tall building from the top of a multistoryed building are 30 and 45 respectively . Find the height of the multistoryed building and the distance between the two buildings
Question
2. The diameter of the lower and upper ends of a bucket in the form of a frustum of a cone are 10cm and 30cm respectively. If the height is 24cm,find the area of a metal sheet used to make the bucket and also find the cost of making the bucket if the cost of 1cm square of metal sheet is Rs.5 .
Maths
Jan. 4, 2020, 4:29 p.m.
Answer
From the top of a hill the angle of depression of two consecutive km stone are 30° and 45° find the height of the hill
prove if one angle subtended by two chords of a circle equal the chords are equal
prove if one angle subtended by two chords of a circle equal the chords are equal
Maths
Jan. 4, 2020, 12:02 p.m.
Answer
From the following distribution find the Modal class
Wages in₹/less than 10/less than 20/less than 30/ less than 40/less than 50 /
less than 60
No. Number of student 2,11, 25,45 ,57,75
Wages in₹/less than 10/less than 20/less than 30/ less than 40/less than 50 /
less than 60
No. Number of student 2,11, 25,45 ,57,75
ABCD is a cyclic quadrilateral whose diagonals intersect at point E. If angle DBC = 70, angle BAC is 30, find angle BCD. Further. if AB=BC, find angle ECD.
if the ratio of the 11th term of an A.P. to its 18th term is 2:3 then find the ratio of the sum of the first five terms to the sum of its first 10 terms
