Question 8b

ABCD is a parallelogram and PQRS is a rhombus. Find ∠y. (2 marks)

$Question 8b diagram$

Answer: 57.5 °

Workings

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rhombus have equal sides

since they have equal sides, half a rhombus is actually a isosceles triangle

∠ y = (180 - 65) ÷ 2 = 57.5 °

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