Step-2

Title: Circle

Grade: 4-a Lesson: S2-L3

Explanation: Hello Students, time to practice and review the steps for the problem.

Lesson Steps

Step Type Explanation Answer

1

Problem

What is the area of the circle whose radius is 28 inches.

2

Step

The radius of a circle is given (r)

28 inches

3

Formula

Area of a circle

A = \$ π(r)^2\$

4

Hint

π value is 3.14

5

Step

Substitute the values using Area of a circle formula

A = \$ 3.14 \times (28)^2\$

A = \$3.14 \times 784\$

6

Step

After multiplication the value we get,

2461.76

7

Step

So, the area of a circle is 2461.76 sq.inches.

8

SumUp

Can you summarize what you’ve understood in the above steps?

9

Choice.A

The answer you received for this problem doesn’t match option 2461.89; hence, option 2461.89 is incorrect

2461.89 sq.inches

10

Choice.B

The answer for this problem is equivalent to the one provided in option 2461.76, making it the correct choice

2461.76 sq.inches

11

Choice.C

The answer you received for this problem doesn’t match option 2461.98; hence, option 2461.98 is incorrect

2461.98 sq.inches

12

Choice.D

The answer you received for this problem doesn’t match option 2461.86; hence, option 2461.86 is incorrect

2461.86 sq.inches

13

Answer

Option

B

14

SumUp

Can you summarize what you’ve understood in the above steps?


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