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lora16 [44]
3 years ago
14

Whats the circumfrence of a cupcake. show all working

Mathematics
1 answer:
Nady [450]3 years ago
6 0
circumference=diameter\:  \pi
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WILL MARK BRAINIEST!!!
Zarrin [17]
R^2/2(pi/180*D-sin(D)) is the formula so 6^2/2(pi/180*120-sin(120)) is the problem which comes to about 22cm^2
4 0
3 years ago
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Two sides of a parallelogram measure 60 centimeters and 40 centimeters. If one angle of the parallelogram measures 1320, find th
UkoKoshka [18]

Answer:

  b. about 91.7 cm and 44.6 cm

Step-by-step explanation:

The lengths of the diagonals can be found using the Law of Cosines.

Consider the triangle(s) formed by a diagonal. The two given sides will form the other two sides of the triangle, and the corner angles of the parallelogram will be the measure of the angle between those sides (opposite the diagonal).

For diagonal "d" and sides "a" and "b" and corner angle D, we have ...

  d² = a² +b² -2ab·cos(D)

The measure of angle D will either be the given 132°, or the supplement of that, 48°. We can use the fact that the cosines of an angle and its supplement are opposites. This means the diagonal measures will be ...

  d² = 60² +40² -2·60·40·cos(D) ≈ 5200 ±4800(0.66913)

  d² ≈ {1988.2, 8411.8}

  d ≈ {44.6, 91.7} . . . . centimeters

The diagonals are about 91.7 cm and 44.6 cm.

4 0
3 years ago
Elly poured 1/10 gallon of water into a empty bottle now it is 1/2 full how many cups of water does a full bottle hold?
shutvik [7]
2/10 of a gallon. 1/10 is half so then 1/10 times 2 would equal 2/10
3 0
3 years ago
The sum of three consecutive integers is 42. Which of the equations could represent this relationship? Select the two correct an
rosijanka [135]
The first equation equals 13
The second one equals 12
to help you discover the answer better I really think the second one
6 0
2 years ago
A childs height measures 105 centimeters. Estimate her height in inches.
Mariulka [41]

Answer:

40 inches

Step-by-step explanation:

if 25 cm = 10 in.

the closest of 105 that can divided by 25 is 100

100/25 is 4

so 4 in. is the answer

3 0
3 years ago
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