Answer:
The angle being shown is an acute angle
Step-by-step explanation:
<span>use:S(OH) C(AH) T(OA) depending on the info given
</span>
20 seconds
i feel like that is right
Supplementary angles add up to 180º
If one is 40º, then the other is (180º-40º) = 140º
None of those choices describes a plane.
choice C is the only example of a plane.