If the length of diagonal AC of a square ABCD is 5.2 cm, then the area of the square is :
A. 10.52 sq.cm
B. 11.52 sq.cm
C. 12.52 sq.cm
D. 13.52 sq.cm
Answer: Option D
Solution(By Examveda Team)
Area of the square :$$\eqalign{ & = \left[ {\frac{1}{2} \times {{\left( {5.2} \right)}^2}} \right]{\text{ sq}}{\text{.cm}} \cr & {\text{ = }}\left( {\frac{1}{2} \times 27.04} \right){\text{ sq}}{\text{.cm}} \cr & = 13.52{\text{ sq}}{\text{.cm}} \cr} $$
Related Questions on Area
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D. 307200 m2
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D. Data inadequate
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The percentage increase in the area of a rectangle, if each of its sides is increased by 20% is:
A. 40%
B. 42%
C. 44%
D. 46%
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