Answer:
Option D, 44
Step-by-step explanation:
<u>Step 1: Find the size of the missing angle</u>
All triangles add up to 180 degrees.

<u>Step 2: Combine like terms</u>


<u>Step 3: Subtract 136 from both sides</u>


Answer: Option D, 44
Answer:
91
Step-by-step explanation:
add the given numbers then subtract the solutions from 180. as all triangles sides add up to 180.
Answer:
C. 80in
Step-by-step explanation:

Hope this Helped
i cant put a link but i looked up "51 in base 5"
and got 201
36.75 - X= X
( not completely sure if this is correct pretty sure tho)