Answer:
54
Step-by-step explanation:
2x+2=3x-52
-2x -2x
2=x-52
+52 +52
54=x
Find the area of the blue square including the white square then find the area of the white square and subtract that from the area of the blue square.
Hope that helps if you need more help just comment and I’ll try to explain it better!
One board is 31.5 inches long. all the boards together is 157.5 inches long
So you can multiply $61.70 x 4 and there for your answer is $246.80
Answer:
9π, or 28.26
Step-by-step explanation:
The Arc of the semicircle is the circumference of half a circle.
The radius of the semicircle is 9, and the circumference of a circle is 2πr, so it is 2π9 = 18π. since this is a semicircle, it is half of that, so 9π, or 28.26, since π is 3.14 here
