If an angle of a triangle remains unchanged but each of its two including sides is doubled, then by what factor does the area get multiplied ?

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LohaHridoy

5 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 3

Original area = $$\frac{1}{2}ab\sin \theta $$ New area : $$\eqalign{ & = \frac{1}{2} \times \left( {2a} \right) \times \left( {2b} \right)\sin \theta \cr & = 4\left( {\frac{1}{2}ab\sin \theta } \right) \cr & = 4 \times {\text{ original area}} \cr} $$

5 views Answered 2022-09-01 13:21

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