O.1

Radius & Diameter

Q4 · Apr–Jun

Find the diameter from the radius, or the radius from the diameter.

Level
Medium
Problems
Daniel Math Academy · Grade 6 Math

Radius & Diameter

Skill O.1 · Circles · ★★☆ Medium · Quarter 4

Name
 
Date
 
Score/ 6

Include units in your answers.

Example
r = 7 cm
d =14 cm

Think: The diameter goes all the way across the circle, so it is twice the radius: .

  1. 1
    d = 38 mm
    Find the radius. 
  2. 2
    d = 46 cm
    Find the radius. 
  3. 3
    r = 14 ft
    Find the diameter. 
  4. 4
    d = 24 ft
    Find the radius. 
  5. 5
    d = 2 m
    Find the radius. 
  6. 6
    r = 15 m
    Find the diameter. 
Daniel Math Academy · danielmath.comWorksheet #ucmiv94 · Page 1 / 2
Daniel Math Academy · Grade 6 Math

Answer Key

O.1 Radius & Diameter · ★★☆ Medium

  1. 119 mm
  2. 223 cm
  3. 328 ft
  4. 412 ft
  5. 51 m
  6. 630 m
Daniel Math Academy · danielmath.comWorksheet #ucmiv94 · Answer Key · Page 2 / 2