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Sedbober [7]
3 years ago
6

PLEASE REPLY ASAP What is the formula for finding the area of a regular polygon with perimeter P and apothem length a // A.) 719

sq units B.) 1039 sq units C.) 1359 sq units D.) 373 sq units
Mathematics
1 answer:
lianna [129]3 years ago
6 0
Area = 1/2 perimeter times the apothem
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Needs step by step solving. ​
san4es73 [151]

Answer:

C

Step-by-step explanation:

20*15=300

10*10=100

300+100=400

8*8=64

400-64=336

<h2>336</h2><h2>c</h2>
3 0
2 years ago
Read 2 more answers
there is a rectangle abcd.the length of the rectangle is increased by 10%.the width of the rectangle is increased by 5%,what is
lesya [120]

Answer:

Therefore the area of rectangle is increased by 15.5%.

Step-by-step explanation:

Assume the length and width of the rectangle be x and y respectively.

The area of the rectangle is = length×width

                                               =xy.

Now the length of the rectangle is increased by 10%.

Then the length of the rectangle increased = x\times \frac{10}{100}.

New length of the rectangle is =x+\frac{10x}{100}

                                                    =\frac{100x+10x}{100}

                                                    =\frac{110x}{100}

The width of the rectangle is increased by 5%.

Then the width of the rectangle increased = y\times \frac{5}{100}.

New length of the rectangle is =y+\frac{5y}{100}

                                                    =\frac{100y+5y}{100}

                                                    =\frac{105y}{100}

New area of the rectangle is = \frac{110x}{100}\times\frac{105y}{100}

                                               = 1.155 xy.

The percentage of area increase is

=\frac{\textrm{New area - Original area}}{\textrm{Original area}}\times 100

=\frac{1.155xy-xy}{xy}\times 100

=\frac{0.155xy}{xy}\times 100

=15.5.

Therefore the area of rectangle is increased by 15.5%.

5 0
2 years ago
Read 2 more answers
If the ratio of grapes to walnuts to oranges is 6:6:12, how many grapes are there if the total number of fruits is 192?
tatiyna

Answer:

48

Step-by-step explanation:

6+6+12 = 24

192/24 = 8

8*6 = 48

(Ratio is 48:48:96)

4 0
3 years ago
Solve the system x + y = 12 and x - y = 2
SOVA2 [1]

Answer:

answer is d

hope it helps

plz mark as brainliest

Step-by-step explanation:

7,5

8,6

9,7

5 0
3 years ago
You drank 12 ounces of your 16 ounce Dutch Bros. What percent is LEFT?
amid [387]

Answer:

25%

Step-by-step explanation:

12 out of 16 is 75 percent that leaves 25 percent left which will be your answer

5 0
3 years ago
Read 2 more answers
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