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AlladinOne [14]
2 years ago
5

A circular pond is to be surrounded by a fence.The radius of the pond is 3.2 m.How many meters of fence is needed to enclose the

pond?
Mathematics
1 answer:
Gemiola [76]2 years ago
4 0

Answer:

≈ 20 m

Step-by-step explanation:

the circumference (C) of a circle is calculated as

C = 2πr ( r is the radius ) , then

C = 2π × 3.2 = 6.4π ≈ 20

length of fence needed is approximately 20 m

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Read 2 more answers
Is the answer 24 ?? Someone please help
ELEN [110]
Yes the answer is 24 cm2
because the width is 4 cm then 2 width = 2(4) = 8 cm
perimeter = 20 cm
20-8=12 cm
so 12 cm left is 2 length then the length is 12/2= 6;cm
that's why the area is 4*6= 24 cm2
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3 years ago
How many solutions are there to the quadratic equation
Ray Of Light [21]

Answer:

2

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8 0
3 years ago
Please help me with the last question
Greeley [361]
You'd solve this by creating the equation
20 + 6x - 1 + x + 14 = 180
33 + 7x = 180
- 33
7x = 147
÷ 7
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(because angles in a triangle add up to 180°)
And then you'd substitute in the value of x, so
6 × 21 = 126
126 - 1 = 125° = Angle A
21 + 14 = 35° = Angle C
I hope this helps!
7 0
3 years ago
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