Apps

TalentJR apps

How the apps work →
Free · Class 4–7 · 4 worksheets · answer keys · practise online · set 22

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 22
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 22
Name:Date:Score:    / 12

Find the complement.

  1. Complement of 42° =
  2. Complement of 6° =
  3. Complement of 18° =
  4. Complement of 17° =
  5. Complement of 49° =
  6. Complement of 39° =
  7. Complement of 65° =
  8. Complement of 80° =
  9. Complement of 77° =
  10. Complement of 58° =
  11. Complement of 13° =
  12. Complement of 37° =

Supplementary angles

Class 6–7 · Worksheet 3 · set 22
Name:Date:Score:    / 12

Find the supplement.

  1. Supplement of 124° =
  2. Supplement of 102° =
  3. Supplement of 45° =
  4. Supplement of 87° =
  5. Supplement of 43° =
  6. Supplement of 136° =
  7. Supplement of 167° =
  8. Supplement of 162° =
  9. Supplement of 31° =
  10. Supplement of 48° =
  11. Supplement of 16° =
  12. Supplement of 18° =

Angles of a triangle

Class 6–7 · Worksheet 4 · set 22
Name:Date:Score:    / 8

Find the third angle.

  1. A triangle has angles 62° and 35°. Find the third angle.
  2. A triangle has angles 73° and 66°. Find the third angle.
  3. A triangle has angles 54° and 80°. Find the third angle.
  4. A triangle has angles 21° and 126°. Find the third angle.
  5. A triangle has angles 29° and 105°. Find the third angle.
  6. A triangle has angles 32° and 27°. Find the third angle.
  7. A triangle has angles 56° and 65°. Find the third angle.
  8. A triangle has angles 72° and 51°. 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.