Thursday
March 23, 2017

Post a New Question

Posted by on Sunday, January 9, 2011 at 4:24pm.

how do i find the radius of the largest circle that can be cut from a square piece of paper with a diagonal of 20cm?

  • geometry - , Monday, January 10, 2011 at 3:53pm

    Diameter = Length of a side. = X.
    X^2 + X^2 = (Diag.)^2,
    2X^2 = (Diag.)^2 = (20)^2,
    2X^2 = 400,
    X^2 = 200,
    X = sqrt(200) = 14.14cm = Diameter.

    r = 14.14 / 2 = 7.07cm.

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question