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Tems11 [23]
3 years ago
10

Then diameter for a circle is 12 m.

Mathematics
1 answer:
adell [148]3 years ago
4 0

Answer:

area of the circle = 113.04

Step-by-step explanation:

radius = 1/2 d

radius = 1/2 × 12

radius = 6 m

area of the circle = π r²

area of the circle = 3.14 × 6 × 6

area of the circle = 113.04

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a rectangle has a length of (x+3) centimeters and a width of 1/2x centimeters. If the perimeter is 24 centimeters, what is the l
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Answer:

The length of the rectangle is 9 cm

Step-by-step explanation:

Given: The length of rectangle(l) = (x+3) cm and a width of rectangle (w) = \frac{1}{2} x cm a

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Perimeter of rectangle is to add the lengths of all the four sides.

Perimeter of rectangle (P) is given by;

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Substituting the value of P = 24 cm , l = (x+3) cm and w =\frac{1}{2} x

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Combine like terms;

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Simplify:

9 =\frac{3x}{2}

Multiply both sides by \frac{2}{3} we get

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