What you'll learn

• 1a² + b² = c² in right triangles.
• 2Angles in parallel lines: alternate = equal.
• 3Interior polygon = (n−2)×180°.
• 4Exterior sum = 360°.

Question mix

• Fill the gap×3
• Multiple choice×2

• 1

  Rate your confidence

  Tell us how sure you feel before answering. It powers your weak-topic map.

• 2

  Use hints if stuck

  Reveal up to 3 progressive hints per question. Each hint costs 5 Treasure Points.

• 3

  See what went wrong

  Instant feedback solves the exact question you just answered, so nothing stays fuzzy.