a dog park was created in the shape of a right triangle. if the dogs have 200 m^2 of room to play, how much fencing is surrounding the area of the two sides are the same length? (Round to the nearest tenth of a meter).

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.