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3 years ago

GEOMETRY HELP WILL MARK BRAINLIEST

Mathematics

2 answers:

Leokris [45]3 years ago

4 0

Answer:

$c = 25.12m \\ a = 50.24 {m}^{2}$

Step-by-step explanation:

CIRCUMFERENCE

$2\pi \: r \\ 2 \times 3.14 \times 4 \\ = 25.12 m$

AREA

$\pi {r}^{2} \\ 3.14 \times 4 \times 4 \\ = 50.24 {m}^{2}$

hope this helps

brainliest appreciated

good luck! have a nice day!

elena55 [62]3 years ago

3 0

Answers:

Circumference=50.24 m

Area=200.96 m^2

Look at the attached picture

Hope it will help you..

Good luck on your assignment

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How would I simplify 53-2(16/8*16-7)

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The simplified form of the expression is 3

<h3>Simplifying an Expression</h3>

From the question, we are to simplify the given expression

The given expression is

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Simplifying

Using BODMAS

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3 years ago

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scZoUnD [109]

Answer:

18.87 square cm.

Step-by-step explanation:

The area of the rectangle will be (4 + 4) * 4, since the length of the rectangle would be the diameter of the circle, and the width of the rectangle would be the radius. (4 + 4) * 4 = 8 * 4 = 32 square cm.

Then, we can calculate the area of the semicircle. The area of a circle is pi * r^2, so the area of a semicircle will be half of that. pi * (4^2) / 2 = pi * 16 / 2 = 8pi. 8 * 3.14159265 = 25.1327412 square cm.

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The two triangles will have the same area. Their bases will be 14 minus the diameter of the circle, then divide that by 2 to get each separate base. 14 - 8 = 6 / 2 = 3. The heights of the triangles will be the radius of the circle, or 4 cm.

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Hope this helps!

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3 years ago

Read 2 more answers