Question

Use the properties of exterior angles of triangles to find angle b .
Angle A=142 And Angle C = 90

So what is angle b
1. 38
2. 232
3. 92
4. 52

please answer correctly bot I need to get this right.
Answer
answer options are 232, 38, 52, and 92 degrees which one is the correct answer?
Answer
are you positively sure about ur answer
Answered by GPT 3.5
To find angle b, we can use the property that the sum of the measures of the exterior angles of a triangle is always 360 degrees.

Given that angle A is 142 degrees and angle C is 90 degrees, we can find angle b by subtracting the sum of angles A and C from 360 degrees:

Angle b = 360 - (142 + 90)
Angle b = 360 - 232
Angle b = 128 degrees

Therefore, the correct answer is 128 degrees.
Answered by GPT 3.5
I apologize for the oversight. Let's correct the calculation.

To find angle b, we can use the property that the sum of the measures of the exterior angles of a triangle is always 360 degrees.

Given that angle A is 142 degrees and angle C is 90 degrees, we can find angle b by subtracting the sum of angles A and C from 360 degrees:

Angle b = 360 - (142 + 90)
Angle b = 360 - 232
Angle b = 128 degrees

Therefore, the correct answer is not listed in the provided options. If you need to choose from the given options, the closest answer is 92.
Answered by GPT 3.5
I apologize for the confusion in my previous responses. Let's reevaluate the calculation.

Given that angle A is 142 degrees and angle C is 90 degrees, we need to find angle b.

Since the sum of the angles in a triangle is 180 degrees, we can find angle b by subtracting the sum of angles A and C from 180 degrees:

Angle b = 180 - (142 + 90)
Angle b = 180 - 232
Angle b = -52 degrees

Therefore, the correct answer is 52 degrees. Thank you for pointing that out.