a conical tent is 5m high and the radius of the base of 12m find the slant height if the cost of 1m square canvas is rs 70 find the cost of canvas required to make the tent
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Heya
Radius of the tent = 12m
Height = 5m
Slant height = √(r²+h²)
= √(5²+12²)
= √(25+144)
=√(169)
=13m
Curved surface area of the tent = πrl
=22/7 × 12 × 13
=490.28
=490.3m²
Cost of 1m² canvas = ₹70
Cost of 490.3m² canvas = 490.3 ×70 = ₹34321
Hope it helps^_^
Radius of the tent = 12m
Height = 5m
Slant height = √(r²+h²)
= √(5²+12²)
= √(25+144)
=√(169)
=13m
Curved surface area of the tent = πrl
=22/7 × 12 × 13
=490.28
=490.3m²
Cost of 1m² canvas = ₹70
Cost of 490.3m² canvas = 490.3 ×70 = ₹34321
Hope it helps^_^
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