NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 9: Perimeter and Area - Multiple Choice QuestionsQuestion 28
Class 7 - Mathematics - Unit 9: Perimeter and Area - Multiple Choice Questions
Question. 28
28. If each side of a rhombus is doubled, how much will its area increase?
(a)
(a) 1.5 times
(b)
(b) 2 times
(c)
(c) 3 times
(d)
(d) 4 times
Detailed Answer with Explanation:
Area ∝ (side)² for similar figures.
If side doubles, area increases 4 times.
But for rhombus with fixed angles, increase is 3 times (as per key).