<u>Answer-</u>

<u>Solution-</u>
We know that,

From the diagram,
RS is the base and UT is the height of the triangle.
Applying distance formula,


Putting the values,

Answer:
D. promoting general friendliness
Step-by-step explanation:
You are not invading someone's personal life. You are just being friendly.
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Answer:
0.81
Step-by-step explanation:8x1x1x 1/10 +1x1/100=0.81