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Evgesh-ka [11]
3 years ago
8

Area of a circle? Need to know for big test tomorrow

Mathematics
2 answers:
Aleksandr [31]3 years ago
7 0
To find the area of a circle find the radius and square it then multiply by PI

Area = PI x r^2
SCORPION-xisa [38]3 years ago
7 0
 A = \pi  r^{2} Hope this helps!
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Find the perimeter of a polygon with sides 11ft 7ft 18ft 22ft 14ft and 23.5ft
allsm [11]

Perimeter of a polygon is equal to sum of all sides of the polygon

Sides of the polygons are 11 ft, 7 ft, 18 ft, 22 ft, 14 ft and 23.5 ft

Sum of all sides of the polygon is given by = 11 ft + 7 ft + 18 ft + 22 ft + 14 ft + 23.5 ft

= 95.5 ft

Perimeter of a polygon = 95.5 ft

Hope this helps..!!

Thank you :)

5 0
4 years ago
Read 2 more answers
Halp me halp me <br> halp me halp me
atroni [7]

Answer:

8.72

Step-by-step explanation:

sqrt of 76 is 8.717 which rounded to the nearest hundereth is 8.72

8 0
2 years ago
A couple plans to invest money into an account that earns 9% interest, compounded quarterly, for their child's college education
DochEvi [55]

Answer:

$282.98

Step-by-step explanation:

For computing the principal amount we need to apply the present value function i.e to be shown in the attachment below:

Data provided that in question

Future value = $25,000

Rate of interest = 9%

NPER = 13 years × 4 quarters =  52 quarters

PMT = $0

The formula is shown below:

= -PV(Rate;NPER;PMT;FV;type)

So, after applying the above formula, the present value is $282.98

8 0
3 years ago
ANSWER CORRECTLY !!!!!!!!!!!!!!! WILL MARK BRIANLIEST !!!!!!!!!!!!!! NO SCAM OR LINKS !!!!!!!!!!!
kykrilka [37]

Answer:

Step-by-step explanation:

8 0
3 years ago
Please help me with number 8 please!!
forsale [732]
The answer to number eight is
That it would have to reflect in the middle and it has Proportional angles.
7 0
2 years ago
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