2 triangles have identical side lengths and angle measures. The second triangle is rotated about 45 degrees. What type of transformation maps ΔQRS to ΔQ'R'S'?

dilation
reflection
rotation
translation

The lengths of two sides of a triangle are 9 and 15. what can be said about the length of the third side? a. it must be greater than or equal to 6 and less than 24. b. it must be greater than or equal to 6 and at most 24. c. it must be greater than 6 and less than 24. d. it must be greater than 6 and at most 24.