Mathematics · May / June 2022 · Paper 42 · Question 9
0580
As printed in the paper
Show the answer and mark scheme
9(a)[3]
PMR = MSR = right angle[s] or 90° PRM = MRS same angle AAA oe OR MPR = SMR 3rd angle of triangle [3]
B1 B1 B1 Dep on B1B1 and no errors seen
9(b)(i)[2]
5.5 [2]
M1 for x 9.9 = oe 4.5 8.1
9(b)(ii)[2]
16.7 or 16.73 to 16.74 [2]
2 8.1 ×
M1 for 25 oe 9.9 2 4.5 × or 25 oe their 5.5
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