alleryA rhombus of area 240 square cm has one diagonal 16 cm. The other diagonal is:
A15 cm
B24 cm
C60 cm
D30 cm
Answer & Solution
Correct answer: D. 30 cm
1. 240 equals half of 16 times d2.
2. So 8 times d2 is 240.
3. The other diagonal is 30 cm.
_Source: syllabus Mathematics, Chapter 11, Mensuration._
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