Class 12 Integrals · Mcq Single Correct1 Marksintegration Class 12 Maths · Integrals · Mcq Single Correct #21 Evaluate \(\int_0^2\sqrt{4-x^2}\,dx\). Integral as a quarter-disk area. y = √(4−x²), 0 ≤ x ≤ 2. Radius 2; area π. (A) 2ln2(B) −2ln2(C) π/2(D) π