Acylinder has a radius of 3 cm and length of 10cm every dimension of the cylinder. is multiplied by 3 to form a new cylinder. how is the ratio of the volumes related to the ratio of the corresponding dimension

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?