The diagram shows the aerial view of a park. what is the length of the park's boundary to the nearest yard? use the value = 3.14

Give me the equations of two lines that have the same slope but are not parallel.

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?

Solve the triangle. a = 21°, c = 105°, c = 5