The sum of linear pair of angles is 180 degrees.
So,
![\angle10+\angle9=180^(\circ)](https://img.qammunity.org/2023/formulas/mathematics/college/38z9lyohyv8qp51vruauz72fqdr7yemayi.png)
Substitute 95 for angle 10 in the equation to obtain the value of angle 9.
![\begin{gathered} 95^(\circ)+\angle9=180^(\circ) \\ \angle9=180^(\circ)-95^(\circ) \\ =85^(\circ) \end{gathered}](https://img.qammunity.org/2023/formulas/mathematics/college/v19q7f5881kh0t8yayoae20sa2ffpwbb38.png)
The pair of vertically opposite angles are equal, so
![\angle9=\angle11](https://img.qammunity.org/2023/formulas/mathematics/college/s8e13h9e0f01ihjg0axiqr45b63qh8mhp3.png)
and
![\angle10=\angle12](https://img.qammunity.org/2023/formulas/mathematics/college/mp0d0e1ow47tjaz23ck7j9nlh1kf58ymxi.png)
Determine value of angle 11 and angle 12.
![\angle11=85^(\circ)](https://img.qammunity.org/2023/formulas/mathematics/college/m6kgz0uw1u6tr8va0mcx3ud0r4p97jyujr.png)
and
![\angle12=95^(\circ)](https://img.qammunity.org/2023/formulas/mathematics/college/7mzd5oug37u63lzcckql0944y7b4fg9d90.png)
The pair of vertically opposite angles are equal, so
![\angle13=\angle9](https://img.qammunity.org/2023/formulas/mathematics/college/5hdg4q7oyhzw9s4ow15m2ixbybtaz78ndv.png)
![\angle16=\angle12](https://img.qammunity.org/2023/formulas/mathematics/college/exqea154n1jgiul21oi4lbzj7k2ix30m2i.png)
![\angle10=\angle14](https://img.qammunity.org/2023/formulas/mathematics/college/8n1em0nyhxwhkf9g36udlg7oqppp9ofbkd.png)
![\angle11=\angle15](https://img.qammunity.org/2023/formulas/mathematics/college/xfzk01kw13er3pmid38187ea8qito9axi8.png)
Determine the measurement of angle 13, angle 14, angle 15 and angle 16.
![\angle13=85^(\circ)](https://img.qammunity.org/2023/formulas/mathematics/college/zvgke4wzci4srotggk8vcqf0zm6pdd20sh.png)
![\angle14=95^(\circ)](https://img.qammunity.org/2023/formulas/mathematics/college/pbkc5jjwywgor4crtswnuddic2d8rmnx03.png)
![\angle15=85^(\circ)](https://img.qammunity.org/2023/formulas/mathematics/college/nji3t1eub4kx4ka3gra27rt6dmso74ywbo.png)
![\angle16=95^(\circ)](https://img.qammunity.org/2023/formulas/mathematics/college/ctrrd6d5kd8ak6euzamddnwc4da7926tay.png)
Thus, measurement of all the angles are as,
angle 9 = 85 degree
angle 10 = 95 degree
angle 11 = 85 degree
angle 12 = 95 degree
angle 13 = 85 degree
angle 14 = 95 degree
angle 15 = 85 degree
angle 16 = 95 degree