A pentagon is drawn below.
What is the value of `x`? (3 marks)
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`z^{\circ}=180-110 = 70^{\circ}\ \ \text{(180° in straight line)}`
`text{Sum of exterior angles = 360°}`
| `y^{\circ}` | `=360-(72+82+70+55)` | |
| `=360-279` | ||
| `=81^{\circ}` |
`:.x^{\circ}=180-81 = 99^{\circ}\ \ \text{(180° in straight line)}`