Use the properties of exterior angles of triangles to find angle b .

Question

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 1

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.

Answer 2

answer options are 232, 38, 52, and 92 degrees which one is the correct answer?

Answer 3

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.

Answer 4

are you positively sure about ur answer

Answer 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.