Answer:
D is the correct answer.
Step-by-step explanation:
The lines are perpendicular as they go thiugh eachother at the center.
Set up a fraction use one radical sign divide the radicans simplify if neccessary
0.55 can be converted to:
55/100
= 11/20
Answer:
509.380
Step-by-step explanation:
According to Pythagoras,
(19.3)^2 + (11.7)^2 = 509.380