A temple has a conical roof (no floor counted) of base radius 3.5 m and slant height 12 m. Painting costs ₹12 per m². What is the cost? (π = 22/7)

Question

Accepted Answer

₹1584. CSA = 22/7 × 3.5 × 12 = 11 × 12 = 132 m². Cost = 132 × 12 = ₹1584. (₹2046 includes the base 38.5 m², which is not painted.)

A temple has a conical roof (no floor counted) of base radius 3.5 $m$ and slant height 12 $m$ . Painting costs ₹12 per $m^{2}$ . What is the cost? (π = $\frac{22}{7}$ )