alleryഒരു സാധാരണ ബഹുഭുജത്തിന് ചുറ്റളവ് 40 സെ.മീ ഉം അപോഥെം 6 സെ.മീ ഉം ആണ്. അതിന്റെ വിസ്തീർണ്ണം എത്രയാണ്?
A240 cm²
B46 cm²
C120 cm²
D60 cm²
Answer & Solution
Correct answer: C. 120 cm²
വിസ്തീർണ്ണം അപ്പോഥെമിന്റെ ചുറ്റളവിന്റെ പകുതി മടങ്ങാണ്, അതിനാൽ 0.5 x 40 x 6 = 120 ചതുരശ്ര സെന്റീമീറ്റർ.
Keep practising Geometry & Mensuration
Browse all Geometry & Mensuration questions for RRB NTPC, or explore more Quantitative Aptitude topics.
Related questions
In three dimensions, what formula gives the volume inside a sphere of radius r?Which algebraic expression calculates the total exterior area bounding a sphere of radius For a circular cylinder of base radius r and height h, which formula gives its volume?Which formula gives the curved side area of a right cylinder with radius r and height h?What geometric solid is generated by rotating a rectangle about one of its sides?What is the longest line segment that can be drawn between two points on a sphere?What metric area corresponds to one million square metres?How many square centimetres are contained in one square metre?