Step-2

Title: Angles

Grade: 4-a Lesson: S3-L2

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

Lesson Steps

Step Type Explanation Answer

1

Problem

Find the missing angle given in the following image(54°)

2

Step

The given angle is

angle = 54°

3

Step

Find the missing angle

x = 180 - 54

4

Step

After simplification

x = 126

5

Step

So the missing angle is 126°

6

Sumup

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

7

Choice.A

This is in correct because it does not matches the calculated value of the missing angle

180°

8

Choice.B

This is in correct because it does not matches the calculated value of the missing angle

234°

9

Choice.C

This is correct because it matches the calculated value of the missing angle

126°

10

Choice.D

This is in correct because it does not matches the calculated value of the missing angle

45°

11

Answer

Option

C

12

Sumup

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


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