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Triangle P is reflected in the line $y = -x$ to give triangle Q - Edexcel - GCSE Maths - Question 9 - 2018 - Paper 2
Question 9
Triangle P is reflected in the line $y = -x$ to give triangle Q. Triangle Q is reflected in the line $x = 1$ to give triangle R. Describe fully the single transfor... show full transcript
Worked Solution & Example Answer:Triangle P is reflected in the line $y = -x$ to give triangle Q - Edexcel - GCSE Maths - Question 9 - 2018 - Paper 2
Step 1
Describe fully the single transformation that maps triangle R to triangle P
Answer
To map triangle R to triangle P, we can apply a rotation. The necessary rotation is a 90° anticlockwise rotation about the point (-1, 1). This is because triangle R will be in the correct position after this rotation aligns it with triangle P.