Subject
Quantitative Aptitude
Topic
Quadrilateral
The perimeter of a rectangular box is 42cm. The length is 13cm. Finds its area.
The perimeter of a rectangular box is 42cm. The length is 13cm. Finds its area.
ক)
112 cm2খ)
104 cm2গ)
140 cm2ঘ)
121 cm2Explanation
Perimeter = 2(a+b)=42 => 2a + 2b = 42 => 2X13 + 2b = 42 => 2b = 16 => b = 8 aXb = 13X8 = 104 cm2Related questions
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