A right circular cone has height and slant height

MATHEMATICS · Single correct · CBSE · Mathematics · Surface Areas and Volumes · Surface Areas and Volumes

Problem

A right circular cone has height 12 cm12\,\text{cm} and slant height 13 cm13\,\text{cm}. Find its total surface area. (Take π=227\pi = \tfrac{22}{7}.) (a) 204.3 cm2204.3\,\text{cm}^{2} (b) 616.0 cm2616.0\,\text{cm}^{2} (c) 282.9 cm2282.9\,\text{cm}^{2} (d) 267.1 cm2267.1\,\text{cm}^{2}

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