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musickatia [10]
2 years ago
14

The perimeter of an equilateral triangle is 65 cm, to the nearest centimetre.

Mathematics
2 answers:
Nastasia [14]2 years ago
5 0

Answer: The smallest possible length is 21.7cm = 22cm to the nearest whole number

Step-by-step explanation:

iogann1982 [59]2 years ago
4 0

Answer:

The smallest possible side length is around 21.3.

Step-by-step explanation:

Equilateral triangles have 3 sides of equal lengths.

65 ÷ 3 = \frac{65}{3} or 21.333

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4 0
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Molodets [167]

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5 0
3 years ago
The perimeter of Stephanie’s triangle is half the perimeter of Juan’s triangle. Juan’s triangle is shown. Write a numerical expr
denpristay [2]

The perimeter of a triangle is the sum of all side lengths of the triangle. The numerical expression for the perimeter of Stephanie's triangle is: \frac 12 \times 25

Let the sides of Juan's triangle be x, y and z. So:

x = 5 \\ y = 8\\ z = 12

The perimeter (J) of Juan's triangle is calculated by adding all sides.

So:

J =x +y +z

This gives:

J =5 + 8 + 12

J =25

From the question, we understand that:

The perimeter (S) of Stephanie's triangle is half that of Juan.

This means that:

S = \frac 12J

Substitute 25 for J

S = \frac 12 \times 25

Hence, the numerical expression for the perimeter of Stephanie's triangle is: \frac 12 \times 25

Read more about perimeters at:

brainly.com/question/11957651

4 0
3 years ago
Read 2 more answers
Help pls! I need help to finish :(<br> No Links!
atroni [7]
The answer is 7.5.
7 4/8 is also 7.5
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2 years ago
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