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lana [24]
2 years ago
5

Please help as soon as possible

Mathematics
1 answer:
uranmaximum [27]2 years ago
8 0

Answer:

For 2a, by it's angles the triangle is classified as an acute triangle. By it's sides it's classified as isosceles triangle.

For 2b, by its angles the triangle is classified as a right triangle. By its sides it's classified as an... (not too sure about that because there's no info about the sides)... probably a 3,4,5 triangle.

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31/8

im very sure

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Height of the Qutab Minaar is 73 metre. When the last stone on the top of the Qutab Minaar was carried from ground to its top by
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peanut butter jelly sandwich

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The merry-go-round in the elementary playground can hold no more than 12 students at a time. Write the inequality for this scena
gulaghasi [49]
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Question 1<br> If the diameter of a circle is 5 meters, what is the circle's radius, in meters?
olga_2 [115]

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2.5

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3 0
2 years ago
Read 2 more answers
A blue boat and a red boat are on the same side of a lake and are 18 miles apart. The blue boat is 30 miles from a lighthouse on
rewona [7]

9514 1404 393

Answer:

  • red boat distance: 42 miles
  • angle at lighthouse: 22°

Step-by-step explanation:

The Law of Cosines can be used to find the distance from the red boat to the lighthouse.

  b² = l² +r² -2lr·cos(B)

  b² = 18² +30² +2·18·30·cos(120°) = 1764

  b = √1764 = 42

The distance from the red boat to the lighthouse is 42 miles.

__

The angle at the lighthouse can be found using the law of sines.

  sin(L)/l = sin(B)/b

  L = arcsin(l/b·sin(B)) = arcsin(18/42·sin(120°)) ≈ 21.79°

The angle between the boats measured at the lighthouse is about 22°.

8 0
3 years ago
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