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hram777 [196]
3 years ago
14

Find the area and the circumference of a circle with diameter 10 m.

Mathematics
1 answer:
Alenkinab [10]3 years ago
4 0

Step-by-step explanation:

area of a circle= πr²

and r= half diameter

therefore we have r=10/2=5

area= 5² x π

area= 25π

circumference=2πr

circumference= 2xπx5

circumference=10π

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Please help me pls 7tyh grade math
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(4/7)-(1/3)
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4 years ago
The perimeter of a square is 52 cm.<br> Calculate the area of the square
Nonamiya [84]

Answer:

169cm^2

Step-by-step explanation:

The perimeter is the sum of the side lengths of the shape. Since a square has equal side lengths, each side must be the same. Divide 52/4=13cm. 13cm is the length of 1 side. Area is length times width, and since each side is 13, multiply 13cm*13cm to get the area, which is 169cm^2,

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4 0
3 years ago
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Which values are in the solution set of the compound inequality: 4(x+3)≤0 or 14x+1&gt;3
ludmilkaskok [199]

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3 0
4 years ago
The height of a triangular window is 3 feet less than its base. The area the window is 20 ft.? find the dimensions of the window
Ivenika [448]

Let us assume base of the window = b feet.

Height is 3 feet less than base, that is = (b-3).

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We know formula for area of a triangle:

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Plugging values in formula, we get

20 = \frac{1}{2} b \times (b-3)

\mathrm{Multiply\:both\:sides\:by\:}2

40=b\left(b-3\right)

40=b^2-3b

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b+5=0

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<h3>Therefore, base of the triangle = 8 feet and height = 8 -3 = 5 feet.</h3>
6 0
3 years ago
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