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3 years ago

What’s the formulas for D,C and A

Mathematics

1 answer:

Travka [436]3 years ago

6 0

Answer:

Diameter is equal to two times the radius or Circumference/π

Circumference is equal to two times π multiplied the radius

The area of the circle equals to π multiplied by the radius squared

Step-by-step explanation:

Let's find the formulas for d, C and A

d = diameter

C = Circumference

A = Area

r = radius

π ≅ 3.1416

d = 2r or d = C/π

Diameter is equal to two times the radius or Circumference/π

C = 2πr

Circumference is equal to two times π multiplied the radius

A = π * r²

The area of the circle equals to π multiplied by the radius squared

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Please help. Thank you

love history [14]

Answer:

The length of side x is $x = \sqrt{6}$

Step-by-step explanation:

Pythagorean Theorem:

In a right triangle, with sides a and b, and hypothenuse h, we have that:

$a^2 + b^2 = h^2$

In this question:

The vertical line on the sides means that both are equal, that is, measuring x, so $a = b = x$ .

Hypothenuse is the square root of 12. So $h = \sqrt{12}$

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$x^2 = \frac{12}{2}$

$x^2 = 6$

$x = \sqrt{6}$

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Step-by-step explanation:

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