Question

The area of a circle is 154 cm². What is the approximate perimeter of the circle?

• A. 36 cm
• B. 50 cm
• C. 44 cm
• D. 58 cm

Answer 1

Answer:

C. 44 cm

Area= πr² = 154 22/7 × r² = 154 r² = 154 × 7/22 = 49 r = √49 = 7 cm Perimeter = 2πr = 2 × 22/7 × 7 = 44 cm