A semicircular arch over a gate has diameter 14 cm. Using pi equals 22 over 7, what is the length of the curved arc?
Q1. A semicircular arch over a gate has diameter 14 cm. Using pi equals 22 over 7, what is the length of the curved arc?
Answer: 22 cm
Explanation: A semicircle arc is half the full circumference, or pi times radius. With radius 7 cm, the arc length is 22 cm.