Mathematics

Calculate the length of an arc of a circle diameter 14 cm, which substends an…

Calculate the length of an arc of a circle diameter 14 cm, which substends an angle of 90o at the center of the circle
  • A.
    7π/2 cm
  • B.
    7π cm
  • C.
    14π cm
  • D.
    7π/4 cm
Correct Answer: Option A
Explanation

Length of an arc = θ/360 x 2πr
90/360 x 2 x π x 7
= /2