Question

Find the diameter of the circle with area 154 cm²

• A. 12 cm
• B. 14 cm
• C. 16 cm
• D. 18 cm

Answer 1

Answer:

B. 14 cm

Area = 154 cm² πr² = 154 r² = 154/(22/7) = 154 × 7/22 = 49 r = √49 = 7 Diameter= 2r = 14 cm