Mathematics
Draw the necessary diagram for this question.
A man on the top of a lighthouse observes the angle of depression of two ships on the opposite sides of the lighthouse as 30° and 50° respectively. If the height of the lighthouse is 80 m, find the distance between the two ships.
Give your answer correct to the nearest meter.
Related Questions
In the given figure, the parallelogram ABCD circumscribe a circle, touching circle at P, Q, R and S.
(a) Prove that: AB = BC
(b) What special name can be given to the parallelogram ABCD?
The following bill shows the GST rate and the marked price of articles :
Rajdhani Departmental Store
S.No. Item Marked price Discount Rate of GST (a) Dry fruits (1 kg) ₹ 1200 ₹ 100 12% (b) Packed Wheat Flour (5 kg) ₹ 286 Nil 5% (c) Bakery Products ₹ 500 10% 12% Find the total amount to be paid (including GST) for the above bill.
The marks of 200 students in a test were recorded as follows :
Marks % No. of students 0-10 5 10-20 7 20-30 11 30-40 20 40-50 40 50-60 52 60-70 36 70-80 15 80-90 9 90-100 5 Using graph sheet draw ogive for the given data and use it to find the,
(a) median
(b) number of students who obtained more than 65% marks
(c) number of students who did not pass, if the pass percentage was 35.
A box containing cards numbered between 0 and 100 are shuffled and a card is picked at random. Find the probability of getting a card which is:
(a) divisible by 6.
(b) not divisible by 6.