Question

A boy of height 1.6 m is standing 15 m away from a flagstaff on the same ground level.

He observes that the angle of elevation of the top of the flagstaff is 30°. Find the height

of the flagstaff to the nearest metre. (4 marks)​

Answer 1

Answer:

10.36m

Step-by-step explanation:

Let X be the height of the flagstaff above the boy's height

Tan30 = x/15

x= 15 X tan30

x= 15 X 0.577

x= 8.655

Height of the flag staff= 8.66+1.6

= 10.26

Answer 2

Answer:

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