9.
2 answers:
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Answer:
1) It has only two dimensions . FALSE
2). Its cross section is in the shape of a circle . TRUE
3) Its surface area is measured in cubic units. FALSE
4) It has a radius that is always a perfect square. FALSE.
Step-by-step explanation:
Sphere: Sphere is a 3 dimensional perfectly round object.
Here, all point lying at the circumference are at equal distance from the center.
The given statements are:
1) It has only two dimensions .
FALSE, a 2 D figure is a circle not a sphere. Sphere is 3 D.
2). Its cross section is in the shape of a circle .
TRUE, any cross section of a sphere is always a circle.
3) Its surface area is measured in cubic units.
FALSE, Surface area of a sphere = sq. units
4) It has a radius that is always a perfect square.
FALSE. A sphere can be of any possible radius.