Step-3

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(272°)

2

Step

The given angle is

angle = 272°

3

Step

Find the missing angle

x = 360-272

4

Step

After simplification

x = 88°

5

Step

So the missing angle is 88°

6

Sumup

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

7

Choice.A

This is not correct because it does not correspond to the calculated value

92°

8

Choice.B

This is correct because it matches the correctly calculated missing angle

88°

9

Choice.C

This is not correct because it does not correspond to the calculated value

29°

10

Choice.D

This is not correct because it does not correspond to the calculated value

100°

11

Answer

Option

B

12

Sumup

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


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