Answer:
Step-by-step explanation:
Let h bet the height of the building.
Mark is 60+310 = 370 m from building.
35/60 = h/370
h = 1295/6 = 215⅚ meters
I believe it's the first one, if a = b, then b = a.
Step-by-step explanation:

Answer:
it would be 86 degrees
Step-by-step explanation:
they are congruent by being opposite
brainiest please
Answer:
QT is parallel and equal to SR because opposite sides in a parallelogram are equal. QV is equal to SU as triangle QVR and SUT are congruent. QUT and SVR are congruent because the angles and sides of each are similar