Jean Piaget was the one who came up with the <span>four stages of intellectual (or cognitive) development and these are sensorimotor, pre operational, concrete operational and formal operational. The state in which a child has developed object permanence by the end of the sensorimotor stage. Hope this answers your question.</span>
The square inches of paper Ray needs are equal to the area of the sides he wants to cover.
<h3>What is the area?</h3>
The area of an object refers to the surface or space occupied by the object.
<h3>Why is the area important?</h3>
In this situation calculating the area is essential because by doing this, Ray can know how much paper he needs.
<h3>How to calculate the area?</h3>
Different formulas can be used to calculate the area depending on the shape of the object.
- Rectangle: Side x side
- Triangle: 1/2 base x height
- Circle: πr2
This means to know the exact answer, Ray needs to calculate the area of the sides he wants to cover and this is equal to the paper he needs to buy.
Note: This question is incomplete because the picture was not attached. Due to this, I answered it based on general knowledge.
Learn more about area in: brainly.com/question/16151549
Answer:
I think more volume is marbles that is half its size.
