Circumference

Using π = 22/7, what is the circumference of a circle with radius 70 cm?

• 15400 cm
• 4900 cm
• 140 cm
• 440 cm

Using π = 22/7, what is the circumference of a circle with radius 63 cm?

• 12474 cm
• 396 cm
• 126 cm
• 3969 cm

Using π = 22/7, what is the circumference of a circle with radius 56 cm?

• 3136 cm
• 9856 cm
• 352 cm
• 112 cm

Using π = 22/7, what is the circumference of a circle with radius 49 cm?

• 308 cm
• 7546 cm
• 98 cm
• 2401 cm

Using π = 22/7, what is the circumference of a circle with radius 42 cm?

• 84 cm
• 1764 cm
• 5544 cm
• 264 cm

Using π = 22/7, what is the circumference of a circle with radius 35 cm?

• 1225 cm
• 220 cm
• 3850 cm
• 70 cm

Using π = 22/7, what is the circumference of a circle with radius 28 cm?

• 2464 cm
• 784 cm
• 176 cm
• 56 cm

Using π = 22/7, what is the circumference of a circle with radius 21 cm?

• 132 cm
• 441 cm
• 42 cm
• 1386 cm

Using π = 22/7, what is the circumference of a circle with radius 14 cm?

• 616 cm
• 196 cm
• 28 cm
• 88 cm

Using π = 22/7, what is the circumference of a circle with radius 7 cm?

• 14 cm
• 44 cm
• 154 cm
• 49 cm