Answer:
Step-by-step explanation:
Given that,
The volume of a sphere is, cubic yards
We need to find the radius of the sphere. The formula for the volume of a sphere is given by :
Put all the values,
So, the radius of the sphere is equal to .
What is as a decimal? 4/11
2 answers:
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Answer:
Option (3). 72°
Step-by-step explanation:
Angle of rotational symmetry = Central angle of a polygon
That means when we rotate the regular polygon by a central angle, polygon overlaps itself.
Central angle of a polygon with n sides =
Where n = number of sides of the polygon
Therefore, central angle of a polygon with 15 sides =
= 24°
Central angle tells us that after every 24° of rotation, polygon overlaps itself.
Angle of rotational symmetry may be 48°, 72°, 96°.....
Therefore, Option (3) is the possible angle of rotational symmetry.