We know the area of the middle rectangle is 48 (length * width). removing that rectangle leaves us with two semicircles. you can combine those semicircles to be the equivalent of one circle. the area for a circle is r^2 * pi. we know the diameter is 4 because that is where we cut the semicircles. radius is half the diameter, so r is 2. 2^2 is 4, 4* pi is 12.56. add 12.56 (area of semicircles) with 48 (area of rectangle) and we get 60.56
Quadrant IV
at quadrant IV, sinA is negative value while cosA is positive value
Answer:
1/18
Step-by-step explanation:
Just go to calculator and write -9÷54-(-12÷54)
The answer is a right triangle meaning that all sides and angles are equal.
