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Shapes
· Examples✏️ Worked Examples — Step by Step
E1
EasyHow many sides does a hexagon have?
💡 "Hex" comes from Greek for six.
👁 Show Solution
Hexagon = 6 sides (hex = six in Greek). ✅ Answer: 6
✅6
E2
MediumA pentagon has interior angle sum of:
💡 Use (n − 2) × 180°.
👁 Show Solution
(5 − 2) × 180 = 540°. ✅ Answer: 540°
✅540°
E3
ChallengingEach interior angle of a regular octagon equals:
💡 Sum ÷ n. Sum = (n−2) × 180.
👁 Show Solution
Sum = 6 × 180 = 1080° Each angle = 1080 / 8 = 135°. ✅ Answer: 135°
✅135°