I really need help with the last two parts of this question!!

Find x to the nearest hundredth place

Circle a has center of (2,3) and a radius of 5 and circle b has a center of (1,4) and a radius of 10. what steps will show that circle a is similar to circle b 1) dilate circle a by a scale factor of 2 2) translate circle a using the rule (x+1,y-1) 3) rotate circle a 180 degrees about the center 4) reflect circle a over the y-axis

Is a triangle with sides of length 6ft, 21 ft, 23 ft. a right triangle?