Created by StemPy LabA circular pond in a park in Delhi has the equation , where lengths are in metres. A straight bridge along the -axis divides the pond into two equal halves. What is the area of the upper half of the pond, in square metres?
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← On a map, the western edge of a woodland is the y-axis and the eastern edge is the curve x = 2√y. The woodland lies between the lines y = 1 and y = 9, as in the figure. Lengths on the map are in hundreds of metres. What is the area of the woodland, in square units of the map?A flat metal plate in a workshop in Chennai is cut to the shape of the curve 9x² + 4y² = 36, where x and y are in centimetres. The workshop needs the area of the plate to cost the metal. What is the area of the plate, in square centimetres? →
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