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likoan [24]
3 years ago
11

a triangular sail has a base length of 2.5 meters. the area of the sail is 3.75 square meters. how tall is the sail?

Mathematics
2 answers:
PSYCHO15rus [73]3 years ago
7 0
Knowing that are of a triangle = 1/2 base * height this would make the area 0.5*5*10 or 25sq m
Alik [6]3 years ago
4 0
Area=1/2 times height times base
base=2.5
area=3.75
subsitute

3.75=1/2 times height times 2.5
multiply both sides by 2 to get rid of fraction
7.5=height itmes 2.5
divide both sides by 2.5
3=height

sail is 3 meters tall
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Answer:

b.  A''(7, 5), B''(2, 5), C''(4, –1)

Step-by-step explanation:

Given vertices of ΔABC:

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Translation <u>mapping rule</u>:

(x, y) → (x – 6, y – 5)

Therefore:

  • A' = (-1 - 6, 0 - 5) = (-7, -5)
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Rotation of 180° clockwise rule:

(x, y) → (-x, -y)

Therefore:

  • A'' = (-7, -5) = (7, 5)
  • B'' = (-2, -5) = (2, 5)
  • C'' = (-4, 1) = (4, -1)

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Step-by-step explanation:

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