Geometric mean= √ ( 1/2 X 2/5 )
= 1/√5
Answer: its option "b"
Pentagon;not regular
Step-by-step explanation:
The polygon has 5 sides but all the sides are not equal
hence, it is an irregular pentagon
Hope this helped you!!
Please Mark as Brainliest!! : )
The answer is A) left 3, up 2
The Answer of <span>−2cos2π91 =</span> is -2
