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Serjik [45]
3 years ago
15

What is the measure of 1 in the trapezoid? 110° 55° 165° 85°

Mathematics
2 answers:
Vinil7 [7]3 years ago
7 0
I think the answer is B. 55. Butbi would cheat to make sure.
dalvyx [7]3 years ago
6 0

Answer:  The correct option is (B) 55°.

Step-by-step explanation:  We are given to find the measure of angle 1 in the trapezoid shown in the figure.

We know that

one pair of sides of a trapezoid are parallel to each other.

As shown in the figure, the base of the trapezoid and its opposite side are parallel to each other.

Also, they are cut by a tranversal such that the angle 1 and the angle with measure 125°  are interior angles on the same side of the transversal.

So, the sum of the measures must be equal to 180°.

That is,

125^\circ+m\angle 1=180^\circ\\\\\Rightarrow m\angle 1=180^\circ-125^\circ\\\\\Rightarrow m\angle 1=55^\circ.

Thus, the required measure of angle 1 is 55°.

Option (B) is CORRECT.

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Ieda and Thanh both offer piano lessons. Ieda charges an initial fee of $8.50 and an hourly rate of $11.00. Thanh charges an ini
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First off, you need to add the initial price and hourly price for each person together, so you already know how much it will cost for 1 hour, including the initial fee. Here's how you do it:

Ieda: $11.00 (hourly price) + $8.50 (initial fee) = $19.50 (for 1 hour)

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Now that you have the price for 1 hour including the initial fee, now you need to find the price for each hour after that. Here's how I did that:

I created a graph that looked like this:

Hours:       1                 2                  3               
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Ieda:

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Hour 2 (excluding initial price): Only add the hourly price after Hour 1!
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Hour 2 (excluding initial price):
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I hope I was able to help you! :)
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