A pole that is 3.2m tall casts a shadow that is 1.75m long. At the same time, a nearby tower casts a shadow that is
To figure this out, you'd use the a^2+b^2=c^2 formula. Since you have your two sides, you want to find the value for c. So, you'd plug in two for a and b.
2^2+2^2=c^2
4+4=c^2
Add up the two fours to get 8 and square root it, and you get 2.828427124...
Letter d, closed circle means that it includes the number it is on, in this case -3. and sonce the arrow is going to the left that means x has to be less than -3
