Question 50

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waecmaths question: 

From the diagram which of the following is true?

Option A: 

m + n + p =180o

Option B: 

m + n = 180o

Option C: 

m = n

Option D: 

n = p

waecmaths solution: 

$\begin{align}  & \angle ACB=p\text{  }\{vertically\text{ }opposite\text{ }angles\} \\ & n=m+p\text{   }\{sum\text{ }of\text{ }the\text{ }opp\text{ }\operatorname{int}erior\text{ }angle\text{ }=\text{ }opp.exterior\text{ }angle\} \\\end{align}$

maths year: