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Aliun [14]
3 years ago
11

Vertical angles are equal. What is the degree <2 and <3?

Mathematics
2 answers:
enyata [817]3 years ago
8 0

Answer:

Angle 2 is 145

Angle 3 (and 1) is: 35

Step-by-step explanation:

Angles together will create 360 degrees. 145*2 = 290. 360 -290 = 70

70/2 = 35

sweet-ann [11.9K]3 years ago
7 0

Answer:< 3 = 35°

< 2 =145°

Step-by-step explanation:1 and 3 are vertical angles which makes the congruent or equal. Same with 2 and 4.

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What is the area of triangle EDF?
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Answer:

4.5

Step-by-step explanation:

∠BAC ~ ∠EDF means that the triangles are similar. So the legs of the triangle share the same proportions, even if the sizes are different.

Since they share the same proportions, the same operations can be performed on each base to find the area.

The answer can be found with the knowledge that the area of a triangle is half of the height * width. You know the width of ∠BAC is 4, and the area is 8, so 16 (the area doubled) / 4 is the height. The width and height of ∠BAC are the same, and since the proportions are also the same, the width and height of ∠EDF are both 3. So the area is the width (3) times the height (3) divided by 2.

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3 years ago
Restless Leg Syndrome and Fibromyalgia
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Answer:

The probability that a person with restless leg syndrome has fibromyalgia is 0.183.

Step-by-step explanation:

Denote the events as follows:

<em>F</em> = a person with fibromyalgia

<em>R</em> = a person having restless leg syndrome

The information provided is as follows:

P (R | F) = 0.33

P (R | F') = 0.03

P (F) = 0.02

Consider the tree diagram attached below.

Compute the probability that a person with restless leg syndrome has fibromyalgia as follows:

P(F|R)=\frac{P(R|F)P(F)}{P(R|F)P(F)+P(R|F')P(F')}

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Thus, the probability that a person with restless leg syndrome has fibromyalgia is 0.183.

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