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📐 Shape Explorer

Drag the corners to change your shape and watch the angles update live!

💡 The interior angles of ANY quadrilateral always add up to 360°!
Your Shape
⬛ Square

Drag the colored dots to reshape your quadrilateral

Sum of All Angles

360°

Always equals 360° for any quadrilateral

✓ Perfect!

Corner Angles

A
Top Left (A)
90°right angle ✓
B
Top Right (B)
90°right angle ✓
C
Bottom Right (C)
90°right angle ✓
D
Bottom Left (D)
90°right angle ✓

Teacher's Note

All 4 angles are 90° and all sides are equal — a perfect square!

Angle Types

Right — exactly 90°
Acute — less than 90°
Obtuse — more than 90°

🎯 Challenges — Can you make these shapes?

⬛
Square
All angles = 90°, all sides equal
▬
Rectangle
All angles = 90°
◆
Rhombus
All sides equal, no right angles
🪁
Kite
Two pairs of equal adjacent sides