**Paper 2 Higher - Sample Assessment Q21**

**Answers**

21 In triangle

(a) Assuming that angle

Give your answer correct to 3 significant figures

(4 marks)

(b) If you did not know that angle

(1 mark)

(Total for Question 21 is 5 marks)

*RPQ*,*RP*= 8.7 cm*PQ*= 5.2 cm Angle*PRQ*= 32°

(a) Assuming that angle

*PQR*is an acute angle, calculate the area of triangle*RPQ*.Give your answer correct to 3 significant figures

(4 marks)

(b) If you did not know that angle

*PQR*is an acute angle, what effect would this have on your calculation of the area of triangle*RPQ*?(1 mark)

(Total for Question 21 is 5 marks)

**Answers**

**21 a**

**Answer**

130

**Notes**

**21 b**

C1 - angle

*PQR*is obtuse so need to find area of two triangles