Correct Answer: Option A

Explanation

x + y + z = 180(sum of angles in a \(\bigtriangleup\))

x + y = 180 - z

• what is isoelectronics series? Answer this

  2 Answers   ·   Chemistry   ·   1 day ago
• what is the cut off marks for lafia federal university? Answer this

  1 Answers   ·   1 day ago
• 49. Fill in the blank space with the correct word(s), from the options lettered A-D. In the sentence "The girl... Answer this

  4 Answers   ·   2 years ago