Answer:
you want to simplify the fractions to decimals so its easier to put in order
Step-by-step explanation:
Answer:
Plane R
Plane DEG
Plane FDG
Plane FEG
Step-by-step explanation:
You can name the plane by the script letter "R", and you can name the plane with any three co-linear points on the plane
Answer:
189 cm^2
Step-by-step explanation:
12 cm (a) is unneeded information
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