Question

please fast answer with full explanation and solutions
please guyss
I really follow you if you give me answers in full explanation​

Answer 1

Answer:

(a) 25 cm²

Step-by-step explanation:

you can clearly see that if we put this shaded region together will only fill 1/4th of the square of area of 100cm².

So, the area of shaded region will be 25cm²