Question

please help some body fast​

Answer 1

$\huge\bold\red{❥︎Aɴsᴡᴇʀ}$

Area of rectangle =

$l \times b \\ 15 \times 25 = 375$

Area of inner square =

$side {}^{2} \\ = 10 {}^{2} = 10 \times 10 \\ = 100$

Area of shaded portion = Area of rectangle - Area of square

$375 - 100 = 275$

So, 275 sq cm is area of shaded portion