O.1

반지름과 지름

4분기 (4~6월)

반지름으로 지름을, 지름으로 반지름을 구하기

난이도
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문제 수
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
    r = 18 ft
    Find the diameter. 
  2. 2
    r = 14 m
    Find the diameter. 
  3. 3
    d = 16 cm
    Find the radius. 
  4. 4
    r = 15 in
    Find the diameter. 
  5. 5
    r = 7 cm
    Find the diameter. 
  6. 6
    d = 10 mm
    Find the radius. 
Daniel Math Academy · danielmath.comWorksheet #hcfqxeh · Page 1 / 2
Daniel Math Academy · Grade 6 Math

Answer Key

O.1 Radius & Diameter · ★★☆ Medium

  1. 136 ft
  2. 228 m
  3. 38 cm
  4. 430 in
  5. 514 cm
  6. 65 mm
Daniel Math Academy · danielmath.comWorksheet #hcfqxeh · Answer Key · Page 2 / 2