Question

In BACO,
ZOBA= 90°
LOCA = 90°
BAC = 90°
... ZBOC=
(Given)
(Remaining angle of the quadrilateral)
(By definition)
..OBACO is
.. AB = AC
..OBACO is a square ... (A rectangle is a square, if its adjacent sides are equ​

Answer 1

Answer:

$90 \times 90 \times 90 \times 90$