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ira [324]
3 years ago
13

What is the perimeter of this red polygon ??

Mathematics
1 answer:
noname [10]3 years ago
5 0

Answer:

26

Step-by-step explanation:

4+4+4+2+2+3+3+4=26

How I found the Other lengths, REASON :

Other pair of lengths are tangents to circle from a single point so their lengths are equal.

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8. A right triangle has a perimeter of 60 cm. The legs have a ratio of 5:12. The hypotenuse is twice the
lakkis [162]

Answer:

a=24

b=10

c=26

Step-by-step explanation:

Perimeter is the sum of the sides (a+b+c=60)

The legs (a and b) have a ratio of 5:12, which means that 5a=12b, which can be simplified to \frac{5}{12} a=b, where b will be the smaller leg.

The hypotenuse will be double the smallest leg, 2b, increased by 6 meters, giving us an equation of c=2b+6

Let's plug these in to get one variable:

a+b+c=60\\a+b+2b+6=60\\a+\frac{5}{12}a+2(\frac{5}{12}a)+6=60\\\frac{12}{12}a+\frac{5}{12}a+\frac{10}{12}a+6=60\\\frac{12}{12}a+\frac{5}{12}a+\frac{10}{12}a=54\\\frac{27a}{12}=54\\27a=648\\a=24

Now that we have a, we can plug it in to our previous equations to find our other sides:

5a=12b\\5(24)=12b\\120=12b\\10=b

c=2b+6\\c=2(10)+6\\c=20+6\\c=26

Double-checking:

a+b+c=60\\24+10+26=60\\60=60

7 0
3 years ago
What fraction of the total # of students earned at least a C? Include small explanation on how you did it.
alisha [4.7K]
6/30 or 3/15.Add all the number together and then you get 6/30 because 6 of them were c.Then simplify it.Also, I like your picture |-/
5 0
4 years ago
Read 2 more answers
Of the 600 people at a music festival, 420 had attended the previous year. how many people out of 100 had attended the previous
Advocard [28]
Answer is D. Hope I helped have a good day
3 0
3 years ago
hello I am trying to figure out how much rent I would have to pay if I abated the rent 30%. My rent is $610.
horrorfan [7]
If you were to get 30% backed off, lucky you !
You would then pay only the remaining 70%.

70% means 0.70

0.70 x $610 = <u>$427 </u>
6 0
4 years ago
The Perimeter of a rectangle is 64 cm. The length is 2cm more than 1.5 times the width
DiKsa [7]

Answer:

The length is 20

The width is 12

Step-by-step explanation:

Please let me know if you want me to add an explanation as to why this is the answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)

4 0
3 years ago
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