If a semicircle is rotated about the x axis of the graph then the resulting three dimensional shape will be a sphere.
Given a semicircle on a graph.
A semicircle is a half circle .A sphere is a geometrical object that is a three dimensional shape , It is the set of points that are all at the same distance r from given point in three dimensional shape.
Rotation is basically an action of rotating around an object or an axis.
If a semicircle is rotated about x axis then the resulting figure will be a sphere. This is because of the fact that when the semi circle is rotated about the x axis then all the points will be at equal distance in all directions from the center.
Hence if a semicircle is rotated about x axis then the resulting figure will be a sphere.
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Answer:
1.2
Step-by-step explanation:
If you multiply the length by the width to find area, then you can divide the area by the width to find the length.
÷ 
= 1.2
Answer:
5 children
Step-by-step explanation:
7 adults = $70
5 children = $25
total= 12 people
○○○○○○○○○○○○○○○
therefore 5 children went
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Answer:
16 boxes large
Step-by-step explanation:
if the weigth is 1280 wilhich means its 1280÷80 =16
