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slavikrds [6]
3 years ago
10

Select all of the angles that have the same measure as angle 1. Assume the lines are parallel.

Mathematics
1 answer:
Anna11 [10]3 years ago
6 0

Answer:

3, 8, 6

Step-by-step explanation:

Please correct me if I am wrong!

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sweet-ann [11.9K]

Answer:

c = F-32; 68-32 = 36°C.

Step-by-step explanation:

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2 years ago
Find the length of the radius of the circle, which is inscribed into a right trapezoid with lengths of bases a and b.
egoroff_w [7]

Answer:

  r = (ab)/(a+b)

Step-by-step explanation:

Consider the attached sketch. The diagram shows base b at the bottom and base a at the top. The height of the trapezoid must be twice the radius. The point where the slant side of the trapezoid is tangent to the inscribed circle divides that slant side into two parts: lengths (a-r) and (b-r). The sum of these lengths is the length of the slant side, which is the hypotenuse of a right triangle with one leg equal to 2r and the other leg equal to (b-a).

Using the Pythagorean theorem, we can write the relation ...

  ((a-r) +(b-r))^2 = (2r)^2 +(b -a)^2

  a^2 +2ab +b^2 -4r(a+b) +4r^2 = 4r^2 +b^2 -2ab +a^2

  -4r(a+b) = -4ab . . . . . . . . subtract common terms from both sides, also -2ab

  r = ab/(a+b) . . . . . . . . . divide by the coefficient of r

The radius of the inscribed circle in a right trapezoid is r = ab/(a+b).

_____

The graph in the second attachment shows a trapezoid with the radius calculated as above.

6 0
3 years ago
In a month with 31 days, Google featured Doodles on 18 days.What percent of the month was this?Round to the nearest whole percen
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Answer:

58.06%

Step-by-step explanation

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HELP ASAP ILL GIVE BRAINLIST
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To find the probability, just multiply.

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3 years ago
Kerry is planning to plant a rectangular garden that is 16 feet longer than it wide. Kerry wants to find its width if its area i
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I think it is A. I hope Im correct.
4 0
3 years ago
Read 2 more answers
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