The answer would be,
14.79
Hope this helps :)
Answer:
11.1
Step-by-step explanation:
x=4
2x+3.1
You need to plug in the 4 into the x in the equation above
2(4)+3.1
8+3.1=11.1
Make a circle with centre A and radius 3cm and make another circle with centre B and radius of 2.5cm. After that just mark the a cross where both circle intersects. Hope you understand
The perimeter of triangle is: 14.15 units
Step-by-step explanation:
First of all we have to find the lengths of sides of triangles
Given
A(3, 1), B(2, -1), and C(-3, 2)
The distance formula will be used to find the lengths of sides
![d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\](https://tex.z-dn.net/?f=d%20%3D%20%5Csqrt%7B%28x_2-x_1%29%5E2%2B%28y_2-y_1%29%5E2%7D%5C%5C)
So,
![AB = \sqrt{(2-3)^2+(-1-1)^2}\\=\sqrt{(-1)^2+(2)^2}\\=\sqrt{1+4}\\=\sqrt{5}\\=2.24\ unitsBC = \sqrt{(-3-2)^2+(2+1)^2}\\=\sqrt{(-5)^2+(3)^2}\\=\sqrt{25+9}\\=\sqrt{34}\\= 5.83\ units\\AC = \sqrt{(-3-3)^2+(2-1)^2}\\=\sqrt{(-6)^2+(1)^2}\\=\sqrt{36+1}\\=\sqrt{37}\\=6.08\ units](https://tex.z-dn.net/?f=AB%20%3D%20%5Csqrt%7B%282-3%29%5E2%2B%28-1-1%29%5E2%7D%5C%5C%3D%5Csqrt%7B%28-1%29%5E2%2B%282%29%5E2%7D%5C%5C%3D%5Csqrt%7B1%2B4%7D%5C%5C%3D%5Csqrt%7B5%7D%5C%5C%3D2.24%5C%20unitsBC%20%3D%20%5Csqrt%7B%28-3-2%29%5E2%2B%282%2B1%29%5E2%7D%5C%5C%3D%5Csqrt%7B%28-5%29%5E2%2B%283%29%5E2%7D%5C%5C%3D%5Csqrt%7B25%2B9%7D%5C%5C%3D%5Csqrt%7B34%7D%5C%5C%3D%205.83%5C%20units%5C%5CAC%20%3D%20%5Csqrt%7B%28-3-3%29%5E2%2B%282-1%29%5E2%7D%5C%5C%3D%5Csqrt%7B%28-6%29%5E2%2B%281%29%5E2%7D%5C%5C%3D%5Csqrt%7B36%2B1%7D%5C%5C%3D%5Csqrt%7B37%7D%5C%5C%3D6.08%5C%20units)
The perimeter of triangle will be:
![P = AB+BC+AC\\= 2.24+5.83+6.08\\=14.15\ units](https://tex.z-dn.net/?f=P%20%3D%20AB%2BBC%2BAC%5C%5C%3D%202.24%2B5.83%2B6.08%5C%5C%3D14.15%5C%20units)
Hence,
The perimeter of triangle is: 14.15 units
Keywords: Triangle Perimeter
Learn more about perimeter at:
#LearnwithBrainly
Answer: 87 m
Step-by-step explanation:
This problem can be solved by using a simple ratio and proportion.
The way you figure this out is::
Model = 12 m/ 1 cm = x/7.25 cm
Solve for x and you should receive this answer:
x = 87 m
hope I helped, best wishes to your future studies...
-a