Question

solve it........
......​

Answer 1

Answer:

15.75 cm²

Step-by-step explanation:

radius of quadrant = diagonal of square =

$\sqrt{2} a$

=

$15 \sqrt{2}$

area of quadrant =

$\pi \: {r}^{2} \div 4$

=240.75 cm²

area of shaded region = area of quadrant OPBQ - area of quadrant OABC

area of quadrant = 240.75 - 225 = 15.75 cm²