Answer:
Step-by-step explanation:
3y+21+hy+20 = 90
the sum of two complimentary angles = 90
m+n=90
then solve for y ( i think it is not letter H it has to be a number).
Answer:
Area of the Rectangle is (length×breadth)

Third option is the right answer.
The answer is letter B. Every polygon tesselates. Since the word 'tesselate' here means a pattern of shapes put together without any gaps, then I think every polygon tesselates if they are put side by side together in varying amounts and leave absolutely no gaps or spaces between each other.
Answer:
either of two angles whose sum is 180°.
Step-by-step explanation:
Two Angles are Supplementary when they add up to 180 degrees. They don't have to be next to each other, just so long as the total is 180 degrees
It’s c) XS, i love your pfp btw!! :)