Correct Answer: Option B

Explanation

x + y + m + z = 180º

but m = \(\frac{1}{2}\)(x + y + z)

2m = ( x + y + z )

Thus ( x + y + z) + m = 180º

(2m) + m = 180º

3m = 180º

m = \(\frac{180º}{3}\) = 60º

• What is the meaning of agricultural sciences? Answer this

  1 Answers   ·   Agricultural Science   ·   3 days ago
• Does WAEC give Calculator to student for there exam? Answer this

  2 Answers   ·   Mathematics   ·   2 days ago
• 2(3)+2? Answer this

  1 Answers   ·   Mathematics   ·   2 days ago