A rectangular sheet measures 40 cm in length and 25 cm in width. A right-angled triangle with base 12 cm and height 8 cm is cut off from one corner of the rectangle. Find the area of the remaining sheet.
A.756 cm²
B.908 cm²
C.812 cm²
D.952 cm²✓ Correct
Explanation
Area of rectangle = 40×25 = 1000 cm²; area of triangle = (1/2)×12×8 = 48 cm²; remaining area = 1000−48 = 952 cm².
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