Answer:
17
Step-by-step explanation:
Note that it is given that:
The variable, <em>a</em>, is given the value of 11. Therefore, plug in 11 for <em>a</em> in the given expression. Simplify:
6 + a
a = 11
6 + (11) = 17
17 is your answer.
~
Step-by-step explanation:
This solution is reasonable because equal slopes are parallel and negative reciprocals are perpendicular. Four right angles make up a rectangle, and this fulfills it
Answer:
9) 130° (vertical to 130°)
10) 50° (supplementary to 130°, 180° - 130° = 50°)
11) 130° (alternate exterior to 130°)
12) 130° (vertical to 130°)
Step-by-step explanation: