Answer:
The area of the walkway around is 26 x + 16 as the sum of two terms
Step-by-step explanation:
The area is about 28.25m²
A circle is 360°.
Add the known angle measures and subtract the total from 360°.
115+105+60 =280°
360 - 280 = 80°
X= 80°
Answer: 15
Step-by-step explanation: Use the formula: 
Remember 
should always be the hypotenuse or the longest side.
---> evaluate the exponents
----> subtract 12544 to the other side
---> take the square root of both sides
Only numbers possible would be five and zero
