Answer:
103⁰
Step-by-step explanation:
straight line= 180⁰
180⁰-77 = 103⁰
Answer:

Step-by-step explanation:
Given equation:

Solving for unknown variable 
Adding 8 both sides by additive property of equality.


Squaring both sides to remove the square root.


Adding 5 both sides by additive property of equality.


Dividing both sides by 6 to isolate 

∴ 
Given:
Room is 5 meters by 8 meters.
Measure of squaree tiles is 14-inch.




Approximately 316 tiles are required to floor the room.
2[(∛8)²+1/8*16]
(∛8)² = (∛8) x (∛8) = (∛64) = 4
1/8 *16 = 16/8 = 2
Total expression = 2 * (4+2)= 12