Math, asked by sp7298836, 1 year ago

A toy in the form of a cylinder with hemispherical ends .if the whole length of the toy 90cm and it's diameter is 42 cm find the cost of painting the toy at the rate 70paise per sq cm

Answers

Answered by sindhu6021

13

TSA=CSA OF CYLINDER +CSA OF HEMISPHERE
2×22/7×21×69+2×22/7×21×21
44×207+44×63
9108+2772
11880

70PAISE PER SQ. CM
TOTAL COST=11880×0.70
RS 8316

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