Answer:
139.48
Step-by-step explanation:
cos(55)=80/x
80/cos(55)=x
Answer:
Direct.
Step-by-step explanation:
A varies directly as the square of r.
Answer:
A
Step-by-step explanation:
Brainliest PLEASE
Answer:
A plane figure with 4 sides is called a quadrilateral.
Step-by-step explanation: