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Pie
2 years ago
13

Find the Perimeter of the figure below, composed of a rectangle and a semicircle. Round to the nearest tenths place.

Mathematics
1 answer:
Dimas [21]2 years ago
8 0

Answer:

50.6

Step-by-step explanation:

The perimeter of the circle is 12.56 because we take 1/2 of 8 (the length of the short side of the rectangle) and multiply that by pie (or 3.14). Now that we know that the perimeter of the circle is 12.56 we add that to 8 (short side of the rectangle) and we add that to 15 twice (which is 30)

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2 years ago
A cuboid has a length of 25cm, a width of 5cm and height of (x-2)cm
mr Goodwill [35]

Step-by-step explanation:

Hi there!

From above question;

A cuboid has a length of 25cm, a width of 5cm and height of (x-2)cm.

Length (l) = 25cm

width (b) = 5cm

height (h) = (x-2)cm.

a).

Volume= l*b*h

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V = 125x - 250 → Answer

b).

(i)

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V = 125x - 250

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(ii)

The equation (i) is: 750 = 125x - 250

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or, 125x = 1000

or, X = 1000/125

Therefore, X= 8cm.

(iii)

Height (h) = x-2

= 8-2

= 6

Therefore, height is 6cm.

<u>Hope</u><u> it</u><u> helps</u><u>!</u>

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