S.1

삼각형의 모르는 각

4분기 (4~6월)

세 각의 합 180°를 이용해 삼각형의 나머지 한 각 구하기

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Daniel Math Academy · Grade 5 Math

Find the Missing Angle

Skill S.1 · Triangles · ★★☆ Medium · Quarter 4

Name
 
Date
 
Score/ 6

A triangle's angles add up to 180°.

Example
75°?48°
? =

Think: Subtract the two angles you know from : .

  1. 1
    60°60°?
    Find the missing angle. 
  2. 2
    ?40°100°
    Find the missing angle. 
  3. 3
    75°?
    Find the missing angle. 
  4. 4
    ?10°115°
    Find the missing angle. 
  5. 5
    ?50°
    Find the missing angle. 
  6. 6
    75°75°?
    Find the missing angle. 
Daniel Math Academy · danielmath.comWorksheet #di9gcf3 · Page 1 / 2
Daniel Math Academy · Grade 5 Math

Answer Key

S.1 Find the Missing Angle · ★★☆ Medium

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Daniel Math Academy · danielmath.comWorksheet #di9gcf3 · Answer Key · Page 2 / 2