Answer:
Sec 90
Step-by-step explanation:
Sec 90 is equals to -1
Answer: The equation of a circle with center (h,k) and radius r is given by (x−h)2+(y−k)2=r2 . For a circle centered at the origin, this becomes the more familiar equation x2+y2=r2
Step-by-step explanation:
Answer:be careful
Dont let then overpower you
And be toxic and salty but not too much
Good luck
Step-by-step explanation:
The area A is given in terms of the side length s, apothem a, and number of sides n as
... A = n·s·a/2
For the given dimensions, your octagon has an area of
... A = 8·4·4.8/2 = 76.8 . . . . units²
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We cannot see the instructions for rounding, so we leave that to you.