Following is a list of geometry symbols available in MathML.
| MathML Symbol |
HTML Entity |
Hex Code |
Description |
| ° |
° |
° |
To specify degrees |
| ∠ |
∠ |
∠ |
To specify angle |
| ∡ |
∡ |
∡ |
To specify measured angle |
| ∟ |
∟ |
∟ |
To specify right angle |
| ⦜ |
⦜ |
⦜ |
To specify right angle with square |
| ⊿ |
⊿ |
⊿ |
To specify right triangle |
| ○ |
○ |
○ |
To specify circle |
| △ |
△ |
△ |
To specify triangle |
| □ |
□ |
□ |
To specify square |
| ▱ |
▱ |
▱ |
To specify parallelogram |
| ∥ |
∥ |
∥ |
To specify parallel |
| ∦ |
∦ |
∦ |
To specify not parallel |
| ⊥ |
⊥ |
⊥ |
To specify perpendicular |
| ≅ |
≅ |
≅ |
To specify congruent |
| → |
→ |
→ |
To specify ray (used with <mover>) |
| ↔ |
↔ |
↔ |
To specify line (used with <mover>) |
| - |
(n/a) |
- |
To specify line segment (used with <mover>) |
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