Properties of Geometric Figures, SM-Bank 023

Find the value of \(a^{\circ}\), giving reasons for your answer. (2 marks)

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\(a^{\circ}+67^{\circ}\)	\(=108\ \ \text{(external angle = sum of interior opposite angles)} \)
\(a^{\circ}\)	\(= 108-67\)
	\(=41^{\circ}\)

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\(a^{\circ}+67^{\circ}\)	\(=108\ \ \text{(external angle = sum of interior opposite angles)} \)
\(a^{\circ}\)	\(= 108-67\)
	\(=41^{\circ}\)