ABCD, EFGH, and HIJK are squares.
AABCD = 400 cm2, O is the center of the circle, O ∈
FE
,
FG
and
BC
tangent to the circle (see the picture on the right).

Find the area of the square HIJK.

ABCD EFGH and HIJK are squares AABCD 400 cm2 O is the center of the circle O FE FG and BC tangent to the circle see the picture on the right Find the area of th class=