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3 years ago

What is the radius of a circle with circumstance of 22m

1 answer:

3 0

Circumference of a circle = 2πr = 22
2 * 22/7 * r = 22
r = 22 * 7 /44
r = 7/2

In short, Your Answer would be 7/2 m or 3.5 m

Hope this helps!

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Bas_tet [7]

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2 years ago

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Calculate the area of triangle ABC with altitude CD, given A(−7, −1), B(−1, 5), C(0, 0), and D(−3, 3). 9 square units 18 square

Kruka [31]

9514 1404 393

Answer:

18 square units

Step-by-step explanation:

Referring to the figure, we see that the base AB has a slope of 1, and the altitude CD has a slope of -1. The number of unit squares crossed by these segments are, respectively 6 and 3, so the length of each is ...

AB = 6√2

CD =3√2

The area is half the product of the base (AB) and height (CD) so is ...

A = 1/2bh = (1/2)(6√2)(3√2) = 18

The area of ΔABC is 18 square units.

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<em>Additional comment</em>

It is useful to remember that the diagonal of a unit square is √2. We used that fact here. If you need to figure it using the Pythagorean theorem, you find ...

c² = a² +b²

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3 years ago

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Irina18 [472]

Answer:

Step-by-step explanation:

aculalli i dont now the answer i only want a point ):

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3 years ago

noelle is drawing fraction bars to model the sum of 1/5 and 3/4. What is the smallest number of equally sized pieces each fracti

Bess [88]

Answer:

the smallest number of equally sized pieces is 20

Step-by-step explanation:

The computation of the smallest number of equally sized pieces is as follows:

Given that

The sum of 1 by 5 and 3/4

Now

if we sum it

= 1 ÷ 5 + 3 ÷ 4

= 4 + 15 ÷ 20

= 19 ÷ 20

Now as if we do the lcm so the denominator sum be 20

Therefore the smallest number of equally sized pieces is 20

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3 years ago

use the associative property to write two different expressions that you can use to find the sum add 1, 3 and 25

Mekhanik [1.2K]

(1+3)+25=1+(3+25)

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3 years ago