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2 years ago

What is the perimeter of a regular decagon with sides of 14 inches?

Mathematics

1 answer:

photoshop1234 [79]2 years ago

6 0

Answer:

140 inches

Step-by-step explanation:

one decagon has 10 sides

14*10= 140

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What is the area of the shaded region <br> 1cm is in the middle

Archy [21]

Answer:

Area of the shaded region= $128.86\,cm^2$

Step-by-step explanation:

Area of the shaded region=Area of the rectangle-Area of the circle

Area of rectangle= $Length\times Width$

$Length=11\,cm\\Width=12\,cm$

Area is:

$=11\times 12\\\\=132\,cm^2$

Area of the circle = $\pi \times r^2$

$r=1\,cm$

As, $\pi =\dfrac{22}{7} =3.14$

Area of the Circle is :

$=3.14\times 1 \times 1\\\\=3.14\times 1\\\\=3.14\,cm^2$

Area of the Shaded region:

Area of the shaded region $=132-3.14\\\\=128.86\,cm^2$

5 0

3 years ago

A credit card company charges a late fee of 25 dollars each time a

shepuryov [24]

Answer:

25 x 4 = 100

25 = late fee

4 = times payment missed

100= total money owed / total money returned

Step-by-step explanation:

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3 years ago

What is the value of n in (17 × 25) × 4 = n × (25 × 4)?

Alexandra [31]

Answer:

Step-by-step explanation:

(17×25)×4=n×(25×4)

or 17×(25×4)=n×(25×4)

17=n

∵ (a×b)×c=a×(b×c) [by associative law of multiplication.]

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3 years ago

What is the perimeter of a regular decagon with sides of 14 inches?​

What is the perimeter of a regular decagon with sides of 14 inches?