A rectangle's length is 8 cm more than its breadth. If the length is reduced by 4 cm and the breadth increased by 2 cm, the area stays the same. What is the breadth?
Class 8Equations in GeometryLinear Equations
A12 cm
B8 cm
C4 cm
D2 cm
Step-by-Step Solution
Let breadth = b, length = b+8.(b+4)(b+2)=(b+8)b gives b2+6b+8=b2+8b, so 2b=8,b=4 cm.
Answer: C) 4 cm
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