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Trigonometry — Question 302

Original QCE Vault practice · 4 marks

Q302 · Practice questionTechnology-activeSimple familiar4 marks

QUESTION 302 (4 marks)

Three beacons form triangle

ABC

. The baseline

AB

is

12

km,

\angle A=40^\circ

and

\angle B=65^\circ

.

Triangle ABC with AB=12 km, angle A=40 degrees and angle B=65 degrees. Not to scale.

a)

Determine

AC

, to

0.01

km.

[2 marks]

b)

Determine the area of the triangular search zone, to

0.1\ \mathrm{km}^2

.

[2 marks]

Question linkSyllabus coverage

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