Carmen draws this area model to help her divide 1,800 by 9. She says the quotient is 20

In the 30-60-90 triangle below side s has a length of and side r has a length

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)?

Which equation represents h for right triangle abc