Answer:
To find the volume of a composite 3D figure, draw any necessary planes to view the figure as basic three dimensional figures, then:
add basic figure volumes belonging to the composite shape.
subtract basic figure volumes NOT belonging to the composite figure.
Step-by-step explanation:
Sides that two side is equal so
5x+10=40
5x=30
X=6
Answer:
the correct answer is D
Step-by-step explanation:
because the -9 5/8 is in absolute value marks.
6a=54 so a=54/6, a=9
b-a=14, and using a found above...
b-9=14
b=23, so a=9 and b=23 so
ab=9(23)=207
