Step-1

Title: Perimeter of Triangle

Grade: 6-a Lesson: S1-L7

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

Lesson Steps

Step Type Explanation Answer

1

Problem

Find the perimeter of a triangle with sides measuring 10.9 feet, 11.3 feet and 8.7 feet.

2

Step

The given information specifies the lengths of the sides of a triangle.

10.9 , 11.3 and 8.7 feet

3

Formula

Perimeter of a triangle

P = a + b + c

4

Step

Use formulas to replace values in cells.

P = 10.9 + 11.3 + 8.7

5

Step

After Addition

P = 30.9

6

Step

The perimeter of the triangle is 30.9 feet.

7

SumUp

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

8

Choice.A

The perimeter of a triangle doesn’t align with the provided answer, making the option incorrect

28.7 feet

9

Choice.B

The perimeter of a triangle doesn’t align with the provided answer, making the option incorrect

29.9 feet

10

Choice.C

The answer matches the given option, confirming that the triangle’s perimeter equals the selected option, making it correct

30.9 feet

11

Choice.D

The perimeter of a triangle doesn’t align with the provided answer, making the option incorrect

31.2 feet

12

Answer

Option

C

13

SumUp

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


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