9. Write the natural numbers from 102 to 113. What fraction of them are
prime numbers. class 6 Ch 7
Answers
Answer:
Conceptual understanding / Model Problem / Model Example /
Activities
l Circle : A circle is a closed plane figure whose every point lies at an equal
distance (radius) from a fixed point (center).
l A rubber ball, Globe, tennis ball, shotput are all examples of solids circular in
shape, called spheres.
l Sphere : A sphere is a three dimensional figure, which is made up of all points
in the space, which is at a constant distance from a fixed point. This fixed point
is called centre.
Instructions :
1. Refer page 235 and 237 for understanding the surface area of sphere and
volume of the sphere.
2. Surface area of sphere = 4Sr
2
, Where r is the radius of sphere
Volume of sphere = xSr
3
, Where r is the radius of sphere
Step-by-step explanation:
- thanks my answer....