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Mila [183]
3 years ago
12

the length of a rectangle is 3 1/4 inches. The width is 4/5 of the length. What is the perimeter of the rectangle

Mathematics
2 answers:
aksik [14]3 years ago
6 0

Answer:

Step-by-step explanation:

Zinaida [17]3 years ago
6 0

Step-by-step explanation:

We can find the perimeter of a rectangle by adding together the length and width and then multiplying that sum by 2.

The width is 4/5 * 3 1/4 = 4/5 * 13/4 = 13/5 = 2 3/5.

3 1/4 + 2 3/5 = 3 5/20 + 2 12/20 = 5 17/20

5 17/20 * 2 = 117/20 * 2 = 117/10 = 11 7/10 in.  

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2 years ago
In triangle ACE, P is the centroid, PF = 6 , and AD = 15 15. Find the measures of PC and AP. Enter your answers as numbers.
xxTIMURxx [149]

Answer:

PC = 12 units

AP = 10 units

Step-by-step explanation:

  • The centroid of a triangle is the intersection of the three medians of the triangle
  • Each median connecting a vertex with the midpoint of the opposite side
  • The centroid divides each median into two parts, which are always in the ratio 2: 1 from the vertex

In ΔACE

∵ P is the centroid of it

∴ P divides CF the ratio 2: 1 from C

∴ PC = 2 PF

∵ PF = 6 units

∴ PC = 2(6)

∴ PC = 12 units

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→ That means AD = 2 + 1 = 3 parts, and AP = \frac{2}{3} AD

∴ AP = \frac{2}{3} AD

∵ AD = 15 units

∴ AP = AP = \frac{2}{3} (15)

∴ AP = 10 units

5 0
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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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