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disa [49]
3 years ago
8

Stonehenge is one of the most famous historical sites in the world. It is believed to

Mathematics
1 answer:
julia-pushkina [17]3 years ago
8 0

Answer: Radius is 15.9975 meters.

Step-by-step explanation:

The formula to find radius of circle is r=\sqrt{A/\pi } so plug in our known variables and solve...

r=\sqrt{804/\pi }

r=\sqrt{255.9211}

r=15.9975

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Help someone please!! don’t understand
Citrus2011 [14]
Radical 2 = 1.4 So 1.4 * 6 = 8.4

a^2 + b^2 = c^2

8.4^2 + 8.4^2 = square root of c

70.56 + 70.56 = 141.12 ≈ 141

Then you must find the square root of 141 which is 11.874 ≈ 11.9

Side a = 8.4
Side b = 8.4
Side c = 11.9
5 0
3 years ago
The lengths of the sides of a triangle are 2x+1, 3x-2, and 4x-5. what is the perimeter in terms of x
STALIN [3.7K]

Answer:

Step-by-step explanation:

2X + 1 + 3X - 2 + 4X - 5 = 180

9X - 6 = 180

9X = 174

9   =   174

ـــــــــــــــــــــ

9         9

X = 19.333

8 0
3 years ago
Line m passes through C(-2, 0) and D(1, -3). What is the equation of the line m in standard form?
Serga [27]
From general equation of a line;
y=mx+c
m=\frac{change in y}{change in x}
m=\frac{0--3}{-2-1}
m=-1
y=-x+c 
Finding value of c;
using point (-2,0)
0=-(-2)+c
c=-2
y=-x-2
8 0
3 years ago
Why is a graphical solution not always appropriate for a system of equations?
BigorU [14]

Answer:

because it may not be suitable for all the time

4 0
2 years ago
What is mean by infinity in maths <br><br>​
Solnce55 [7]

Answer:

The answer has no end and goes on forever.

Step-by-step explanation:

2/3=0.666666.

the answer keeps going

8 0
3 years ago
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