IB QUESTIONS:
The height of a vertical cliff is 450 m. The angle of elevation from a ship to
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Mathematics, 11.06.2021 14:00 k3thagoat
IB QUESTIONS:
The height of a vertical cliff is 450 m. The angle of elevation from a ship to
the top of the cliff is 31°. The ship is x metres from the bottom of the cliff.
a Draw a diagram to show this information.
b Calculate the value of x.
In the diagram, triangle ABC is isosceles.
AB = AC, CB = 20 cm and angle ACB is 32º.
Find a the size of angle CAB
b the length of AB
c the area of triangle ABC.
30
200
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