QCAA Maths Methods Trigonometry Mini Test 4
External Assessment Paper 2 — Technology-active
Number of marks: 5
Perusal time: 30 seconds
Writing time: 7 minutes
Section 1
Instructions
• This section has 10 questions and is worth 10 marks.
• Use a 2B pencil to fill in the A, B, C or D answer bubble completely.
• Choose the best answer for Questions 1 10.
• If you change your mind or make a mistake, use an eraser to remove your response and fill in the new answer bubble completely.
The diagram shows the quadrilateral \(ABCD\).
Determine the perimeter of the quadrilateral.
Section 2
Instructions
• Write using black or blue pen.
• Questions worth more than one mark require mathematical reasoning and/or working to be shown to support answers.
• If you need more space for a response, use the additional pages at the back of this book.
– On the additional pages, write the question number you are responding to.
– Cancel any incorrect response by ruling a single diagonal line through your work.
– Write the page number of your alternative/additional response, i.e. See page …
– If you do not do this, your original response will be marked.
• This section has nine questions and is worth 45 marks.
In the isosceles triangle (ABC), angle (C) is (120^circ) and side (a) is 4 cm.
a) Draw the triangle, indicating all given information. [1 mark]
Note: If you make a mistake in the diagram, cancel it by ruling a single diagonal line through your work and use the additional diagram on page 17 of this question and response book.
b) Calculate the area of the triangle in cm(^2). (Give your answer in simplest form.) [3 marks]
Determine the area of the triangle shown.
END OF PAPER
