The right ans is D.I am 100%sure.
if my ans was gelpful u can follow me.
Answer:
FALSE
Step-by-step explanation:
A tessellation refest to a shape that is repeated over and over again covering a plane without any gaps or overlaps. The statement is false given that regular tessellations use only one polygon. Semi-regular tessellations are created with more than one type of regular polygon.
The choices should be B, C, and E. Hope this helps
Step-by-step explanation:

Hence, base = 2 units and hypotenuse = 3 units.





Now, we know that :


Therefore, the required answer is 3/√5.
Hopes this helps:
Answer: -3/8
Have a great day.