Please help find the angles!!

Mathematics

1 answer:

devlian [24]3 years ago

6 0

Answer:

1. 140

2. 140

3. 40

4. 40

Step-by-step explanation:

The lines are parallel so angels 1,4,5,8 are the same.

Same with angels 2,3,6,7.

To find angels 7 and 2 subtract 140 with 180 since the horizontal line equals 180 which gives you 40

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Part a) The new rectangle labeled in the attached figure N 2

Part b) The diagram of the new rectangle with their areas in the attached figure N 3, and the trinomial is $x^{2} +11x+28$

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Step-by-step explanation:

The complete question in the attached figure N 1

Part a) If the original square is shown below with side lengths marked with x, label the second diagram to represent the new rectangle constructed by increasing the sides as described above

we know that

The dimensions of the new rectangle will be

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The diagram of the new rectangle in the attached figure N 2

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The diagram of the new rectangle with their areas in the attached figure N 3

we have that

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