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ikadub [295]
3 years ago
7

A museum groundskeeper is creating a semicircular statuary garden with a diameter of 36 feet. There will

Mathematics
1 answer:
mart [117]3 years ago
3 0

Answer:

The fencing would cost a total of $961.33 rounded to the nearest hundredth

Step-by-step explanation:

Circumference: 2πr (r = 18 or 1/2 diameter)

2 × 3.14 × 18 = 113.097336

113.097336 × $8.50 = $961.327356, which rounds up to $961.33

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4 years ago
PLEASE HELP 10 POINTS
alexandr1967 [171]
  • area=pi x r^2
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Evaluate the expression for n=-3
satela [25.4K]

Answer:

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4 0
3 years ago
What are the coordinates of the orthocenter of △JKL with vertices at J(−4, −1) , K(−4, 8) , and L(2, 8) ?
kompoz [17]

Answer:

K(-4,8) is the ortho center.

Step-by-step explanation:

In a right angled triangle, The vertex of the right angle is the ortho center.

Here we are given

J(-4,-1), K(-4,8) & L(2,8)

Using distance formula we get

JK^{2}= (-4+4)^{2}+ (8+1)^{2}=0+81=81

KL^{2}= (-4-2)^{2}+ (8+-8)^{2}=36+0=36

JL^{2}= (-4-2)^{2}+ (8+1)^{2}=36+81=117

So we can say that

JK^2 + KL^2=JL^2

By converse of pythagorean theorem we get

Hence the Vertex of the right angle is K(-4,8)

K(-4,8) is the ortho center.

7 0
3 years ago
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