Mathematics

From the diagram above, find x

From the diagram above, find x
  • A.
    65o
  • B.
    50o
  • C.
    75o
  • D.
    55o
Correct Answer: Option A
Explanation

∠RTS = 90o (∠ in semi circle)
∠UTS = 25o (∠ in alternate segment)X + 90 + 25 = 180(sum of ∠s on a str line)X + 115 = 180 X = 180 – 115X = 65o