In which diagram do angles 1 and 2 form a linear pair?

What is 32+4 x (16 x 1/2) -2 show your work}

When turned about its axis of rotation, which shape could have created this three-dimensional object?

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)?