Sunda Strait, Indonesian Selat Sunda, channel, 16–70 miles (26–110 km) wide, between the islands of Java (east) and Sumatra, that links the Java Sea (Pacific Ocean) with the Indian Ocean (south).
At the foot of the Lighthouse, the elevation of its top is 45⁰. A Bird after flying 8 km towards the building up a slope of 30⁰ inclinations, the el...
From the top of a straight pillar 20 meters high, the angle of elevation of the top of a straight tower was 45°. If the tower was 70 meters high, then ...
Two ships are on opposite sides in front of a lighthouse in such a way that all three of them are in line. The angles of depression of two ships from th...
The angle of depression of a point on the ground as seen from the top of a tower, 65 feet high, is 45°. Find the distance of the point on the ground fr...
There are two houses of the same height on both sides of a 30-meter wide road. From a point on the road, elevation angles of the houses are 30° and ...
In the village of Hazelton, there was a totem pole 50 m high of which the lower 24 m was carved. According to a clue the treasure was hidden at a point...
Due to a cyclone, a tree is broken and makes an angle of 30º with the ground. The distance between the root and the tip of the tree that touches the gr...
The shadow of a pole on ground level is increased by 24 m when the angle of depression of the sun changes from 60° to 30°. What is the height of...
The angle of elevation of the top of a building from a point on the ground is 30° and moving 40 meters towards the building it becomes 60°. The height...
Now a chord of a circle is such that AB = 10 cm. If the diameter of the circle is 20 cm, then the angle subtended by the chord at the center is.