alleryFind the full outer area of a closed can with r = 7 cm and h = 3 cm (pi = 22/7).
A352 sq cm
B220 sq cm
C308 sq cm
D440 sq cm
Answer & Solution
Correct answer: D. 440 sq cm
Side 2 pi r h = 132 plus two bases 2 pi r squared = 308 gives 440 square centimetres.
Keep practising Geometry and Trigonometry
Browse all Geometry and Trigonometry questions for RRB NTPC, or explore more Mathematics topics.
Related questions
RRB NTPC · Trigonometric RatiosRRB NTPC · Triangle CentersRRB NTPC · Classify Angle TypesRRB NTPC · Match Trigonometric ValuesWhich line segment connects two points on a circle and divides it into two segments?When does the sum of two side lengths equal the third side?What total measure in degrees do the two non-right angles of a right triangle add up to?What geometric shape is the planar region bounded by two concentric circles?