Find the radius of the circle that has an area of 2.4 cm²

Find the radius of the circle that has an area of 2.4 cm²

1.5 cm

0.38 cm

0.76 cm

0.87 cm

1 answer

radius = sqrt(area / pi)
radius = sqrt(2.4 / 3.14)
radius = sqrt(0.76369426752)
radius ≈ 0.87 cm

Therefore, the correct answer is 0.87 cm.