S.4

Missing Angle in a Right Triangle

Q4 · Apr–Jun

Find the missing acute angle of a right triangle.

Level
Medium
Problems
Daniel Math Academy · Grade 5 Math

Missing Angle in a Right Triangle

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

Name
 
Date
 
Score/ 6

A square marks a 90° angle.

Example
35°?
? =

Think: The right angle is , so the other two angles add up to : .

  1. 1
    30°?
    Find the missing angle. 
  2. 2
    55°?
    Find the missing angle. 
  3. 3
    40°?
    Find the missing angle. 
  4. 4
    45°?
    Find the missing angle. 
  5. 5
    70°?
    Find the missing angle. 
  6. 6
    50°?
    Find the missing angle. 
Daniel Math Academy · danielmath.comWorksheet #ugctdve · Page 1 / 2
Daniel Math Academy · Grade 5 Math

Answer Key

S.4 Missing Angle in a Right Triangle · ★★☆ Medium

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