Question

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Answer 1

Answer:

f L is the thickness of one one sheet, then assuming that every sheet is equally thick,

L=l/80 cm=0.015875 cm.

And ΔL=Δl/|80|.

Assuming Δl=0.01 cm,

we get

ΔL=0.000125 cm.

So, the actual thickness is L=0.0159±0.0001 cm.

Answer 2

Answer:

NO

Step-by-step explanation:

The point of intersection of the diagonal of a quadrilateral divides one diagonal in the ratio 1:2. ... Now , AO OC = 1 ;2 We know that diagonals of a parallelogram bisect eah other . So , for ABCD to be a parallelogram , AO OC = 1 1 But here AO OC = 1 :2 .

that will be ur anwer