Apps

TalentJR apps

How the apps work →
Free · Class 4–7 · 4 worksheets · answer keys · practise online · set 82

Angles worksheets — types of angles and angle sums

Free angles worksheets for Class 4 to 7: name the type of angle (acute, right, obtuse, straight, reflex), complementary, supplementary and triangle angles — with answers.

💡 Learn it first

📏 The worksheets

🔄 New set of questions

Types of angles (Class 4–5)Complementary angles (Class 6–7)Supplementary angles (Class 6–7)Angles of a triangle (Class 6–7)

Types of angles

Class 4–5 · Worksheet 1 · set 82
Name:Date:Score:    / 8

Name the type of the marked angle: acute, right, obtuse, straight or reflex.

  1. Type of angle?
  2. Type of angle?
  3. Type of angle?
  4. Type of angle?
  5. Type of angle?
  6. Type of angle?
  7. Type of angle?
  8. Type of angle?

Complementary angles

Class 6–7 · Worksheet 2 · set 82
Name:Date:Score:    / 12

Find the complement.

  1. Complement of 22° =
  2. Complement of 57° =
  3. Complement of 37° =
  4. Complement of 26° =
  5. Complement of 25° =
  6. Complement of 44° =
  7. Complement of 42° =
  8. Complement of 32° =
  9. Complement of 8° =
  10. Complement of 16° =
  11. Complement of 53° =
  12. Complement of 45° =

Supplementary angles

Class 6–7 · Worksheet 3 · set 82
Name:Date:Score:    / 12

Find the supplement.

  1. Supplement of 122° =
  2. Supplement of 170° =
  3. Supplement of 66° =
  4. Supplement of 85° =
  5. Supplement of 17° =
  6. Supplement of 169° =
  7. Supplement of 19° =
  8. Supplement of 24° =
  9. Supplement of 64° =
  10. Supplement of 103° =
  11. Supplement of 34° =
  12. Supplement of 150° =

Angles of a triangle

Class 6–7 · Worksheet 4 · set 82
Name:Date:Score:    / 8

Find the third angle.

  1. A triangle has angles 29° and 60°. Find the third angle.
  2. A triangle has angles 93° and 54°. Find the third angle.
  3. A triangle has angles 76° and 64°. Find the third angle.
  4. A triangle has angles 66° and 43°. Find the third angle.
  5. A triangle has angles 100° and 33°. Find the third angle.
  6. A triangle has angles 66° and 42°. Find the third angle.
  7. A triangle has angles 57° and 73°. Find the third angle.
  8. A triangle has angles 87° and 24°. Find the third angle.

More worksheets

📐 Area and perimeter worksheet🔷 Shapes worksheet Noun worksheetsPronoun worksheetsArticles worksheetTenses worksheetPrepositions worksheetSubtraction worksheets All worksheets

Questions

What are the 5 types of angles?

Acute (less than 90°), right (90°), obtuse (90°–180°), straight (180°) and reflex (180°–360°).

Are these worksheets free?

Yes — print them or save as PDF free. Every worksheet has an answer key.

How do I get different questions?

Press “🔄 New set” — the questions change (maths numbers are new every time; English sentences are shuffled).

How do I print only one worksheet?

Press “🖨️ Print” on that worksheet. Tick “with answer key” if you want the answers on a second page.

Can my child do this worksheet online, like a quiz?

Yes — press “▶️ Practise online” on any worksheet. The questions come one at a time with instant marking, a score at the end and a review of mistakes. No sign-in is needed.