Find measure dbc
19
22
23
161
!

Angles ABD and DBC are supplementary.  They are also a linear pair because they share a ray.  Supplementary angles add up to equal 180, as do linear pairs. Therefore, from our picture, 7x + x - 4 = 180.  8x = 184.  Therefore, x = 157.  157-4 = ∠DBC, so ∠DBC = 153.

Find the perimeter of the figure shown above with a side length 5 units.(each figure is a square).a.10 unitsc.30 unitsb.20 unitsd.40 units select the best answer from the choices providedabcdmark this and return