Question

Find the area of the red-shaded region of the rectangle ABCD whose length and breadth is 20 cm and 10 cm respectively. Please help me. First to answer correctly before 12:30 will be marked the brainliest

Answer 1

Answer:

$bc {}^{2} + ba {}^{2} = ac {}^{2} \\ \sqrt{10 \times 10 + 20 \times 20} = ac \\ \sqrt{50000} = ac \\ ac = \sqrt[100]{5} answer$