Calculate the area enclosed by the circle x²+y²=r²

Find the area under the circle x² + y² = 16 in the first quadrant

Find the area of the region bounded by the parabola = 4-x² , x − axis and the lines x = 0, x = 2

Find the area of the region bounded by the line x − 2 y −12 = 0, the y-axis and the lines y = 2, y = 5

Find the area bounded by y = x between the lines x = −1and x = 2 with x -axis

Use integration to calculate the area of the region bounded between the line x = 4 and the parabola y² = 16x

Use integration to calculate the area of the circle whose center is at the origin and the radius is 3 units

Find the area under the curve (x²/36)+(y²/25)=1

Use integration to calculate the area of the circle whose center is at the origin and the radius is b units

Find the area of the parabola y² = 8x bounded by its latus rectum