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Maslowich
3 years ago
7

WILL GIVE BRAINLIST AS SOON AS I CAN... is this A? i think it is but i might be wrong.​

Mathematics
2 answers:
11Alexandr11 [23.1K]3 years ago
7 0

I think 'neither' because A and C do not connect anywhere, while they are NOT parellel.

Hope this helps.

igor_vitrenko [27]3 years ago
5 0

Answer:

The answer is B, they are perpendicular

Step-by-step explanation:

To be able to figure this out, you have to first find the relationship between a and b.

You can conclude lines a and b are parallel by the consecutive angles theorem. Line d would be the transversal line that intercepts line a and line b. Because the consecutive angles created are equal, lines a and b are parallel .

Then you can conclude the relationship between line c and d through the exact same principle. Lines c and d are parallel.

Notice how line a and line d create a right angle (as indicated by the square drawn on the angle) which means the lines are perpendicular to each other.

Since line c is parallel to line d, you can finally conclude that the intercept of line c and a would create a right angle and the lines would this be perpendicular.

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<u>Sheet 1: Question 4</u>

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<u>Sheet 1: Question 5</u>

<u>Step 1: Find the value of x</u>

<em>Vertically opposite angles are equal so you will equate the angles given,</em>

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<u>Step 2: Find angles</u>

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<u>Sheet 1: Question 6</u>

Angle 1 = 72° <em>(because vertically opposite angles)</em>

∠4 + ∠1 + 41 = 180° <em>(because all angles on a straight line are equal to 180°)</em>

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∠2 = 67° <em>(because vertically opposite angles)</em>

<u>Sheet 2: Question 3</u>

Step 1: Find the value of x

<em>Sum of complementary angles is equal to 90°</em>

Angle A + Angle B = 90°

7x + 4 + 4x + 9 = 90°

11x = 90 - 13

11x = 77

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<u>Step 2: Find angle A and angle B using x</u>

Angle A: 7x + 4

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Angle A = 53°

Angle B: 4x + 9

4(7) + 9

Angle B = 37°

<u>Sheet 3: Question 3</u>

<u>Step 1: Find the value of x</u>

<em>Sum of supplementary angles is equal to 180°.</em>

Angle A + Angle B = 180°

3x - 7 + 2x + 2 = 180°

5x = 185

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<u>Step 2: Find angle A and angle B using x</u>

Angle A: 3x - 7

3(37)-7

Angle A = 104°

Angle B: 2x + 2

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<em>Sum of supplementary angles is equal to 180°.</em>

<u>Step 1: Find x</u>

1/4(36x-8) + 1/2(6x-20) = 180°

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72x - 72 = 1080

72x = 1152

x = 16

!!

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