alleryAarushi's card is 8 cm wide and has an area of 80 square cm. Its length is:
A10 cm
B12 cm
C16 cm
D14 cm
Answer & Solution
Correct answer: A. 10 cm
1. Area of a rectangle is length times width.
2. So length is area divided by width, that is 80 divided by 8.
3. The length is 10 cm.
_Source: syllabus Mathematics, 'Math-Magic', Ch 11 'Area and its Boundary'_
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