Answer: B.pi/2
ABCD is a square
=> Δ ABD is a isosceles right triangle at A
using pythago theorem, we have:
AB² + AD² = BD²
=> 2AD² = 4
⇔ AD² = 2
⇒ AD = √2
through O, draw EF parallel to AD and BC
=> EF is diameter
because EF//AD => EF = AD = √2 (because circle O is inscribed the square ABCD)
=> the area of the circle is
Step-by-step explanation:
Answer:
Step-by-step explanation:
<u>Find the reciprocal of 1/40:</u>
<u>That's really it.</u>
Your answer is 40 (D).
Can you please post the image.
1000 because 100 divide my 10 is 10 so just add a zero