D a theorem needs to be proven
It’s probably true as matter is either gas liquid or solid
I just ask this question on the SnapCalc app the answer is in the image
Answer:
A
Step-by-step explanation:
(3x -14) + 9x is 90 degrees, so if you add 90 it becomes 180 degrees
It is 90 degrees because you can see that there is a right angle there
Answer:
Isosceles triangle
Step-by-step explanation:
