Math, asked by ronit87, 1 year ago

Joker cap radius 7 cm and slanth height 25 cm find the area of material used in 12 cap

Answers

Answered by aaravshrivastwa
1
In this question,

Radius (r) = 7 cm

Slant Height (l) = 25 cm

 =  > total \: surface \: area =  \pi \: r \: l +  \pi \:  {r}^{2}

 =  > tsa =  \frac{22}{7}  \times 7 \times 25 +  \frac{22}{7}  \times 7 \times 7

 =  > tsa = 22 \times 25 + 22 \times 7

 =  > tsa = (550 + 154) \:  {cm}^{2}

 =  > tsa = 704 \:  {cm}^{2}

Now,

Material required for 12 cap = (12 x 704) cm^2

=> Material required = 8448 cm^2


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