It rotates 90<span>degrees in per sencond, so in 2seconds gets 180degrees.</span>
The answer is D because it 172.8 cm
Answer
V=19
You put a +11 under the -11 then you can move the +11 to the other side of the equal sign. Then u add them which equals 19.
To find the area of a square is Base x Height.
Triangle is 1/2 base x height.