Step-by-step explanation:
Arc length formula is

where x is radinas.
A semi circle has a radian measure of

The radius is half of the diameter, 12 so the radius is

So the arc length is

Area of semi circle is

where r is the radius.



Answer:
40200
Step-by-step explanation:
(8x7x6x5x4x3x2x1) - (5x4x3x2x1)
Or simply plug 8! - 5! into the calc.
Answer:
the first one is -(25/2) OR -12.5
THE Second one is -(125/8) or -15.625
Answer:
The answer is B
Step-by-step explanation:
To find the area of a parallelogram you need to multiply base by height
In this problem the base is 67 square ft and the height is 52 square feet 67 times 52 = 3484
| -6 | + |8| = 6 + 8 = 14 spaces...so thats gym to school