Analysis and Approaches for IBDP Maths Ebook 1 | Page 120

Your Practice Set – Analysis and Approaches for IBDP Mathematics
Exercise 40
1. The following diagram shows triangle ABC .
AC � 10 cm , ABC ˆ � 114 , and ACB ˆ � 48 .
(a) Find AB .
(b) Find BC .
[3]
[3]
2. The following diagram shows triangle ABC .
AC � 21 cm , ABC ˆ � 0.75 radians , and BAC ˆ � 1.6 radians .
(a) Find AB .
(b) Find the area of the triangle ABC .
[3]
[3]
3. The following diagram shows triangle ABC .
AC � 86 cm , BC � x cm , ACB ˆ � 40
, and the area of triangle ABC is
2
1900 cm .
(a) Find x .
(b) Find AB .
[3]
[3]
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