How do u make a tissue dance (i know the answer but i need to show my work) pls answer and show work (+_+)

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)?

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

What is mean median mode and range?