The angle of elevation of a building from a measuring instrument placed on the ground is 30°. If the building is 40m high, how far is the instrument from the foot of the building?

Similar Questions

In the diagram, EF//QR, PE = 2cm, EQ = 4cm and FR = 6cm. Find x ...

If the ratio x:y = 3:5 and y:z = 4:7, find the ratio x:y:z ...

The grades of 36 students in a class test are as shown in the pie chart. How many student has excell...

Which of the following is not a factors of 2p$^2$ - 2?...

The angle of elevation of the top of a tower from a point on the ground which is 36m away from the f...

A boy 14 m tall, stood 10m away from a tree of height 12 m. Calculate, correct to the nearest degree...

The graph above shows the cumulative frequency curve of the distribution of marks in a class test. W...

Two chords PQ and RS of a circle when produced meet at K. If ∠KPS = 31o and ∠PKR = 42o, find ∠...

The angle of depression of a boat from the top of a cliff 10m high is 30. How far is the boat from t...

Make R the subject of the formula if T = $\frac {KR^2 + M}{3}$...