Solve each problem.Draw an illustration if necessary show your complete solution. (2 point each)
1. Teacher anna paints her rectangular box with a dimension of 3 meters by 1-meter by 0.5 meter.She has a paint a enough to cover a 10m is her paint enough to paint the broom box?
2. Lando works in a cake shop.He is task to make he be needing to cover the entire cake?(Hint including the bottom)
3. Michael is going to make an open top fish aquarium which is 2 ft long,1 ft wide, and 1.5 ft high.What is the least amount of glass materials needed to make the aquarium?
4. What is the least amount of rubber if you want to make a volleyball ball with a radius of 4.5 cm?
5. Jessa makes a cone-shape cake with a radius of 4 inches and a height of 8 inches.How much fondant icing she will need to cover the cake?
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Answer:
1.93in²
2.156in²
Step-by-step explanation:
1. S.A=L.A+B=2×{h×(l+w)+(l×w)}
S.A=2×{10×(3+1+0.5)+(3×1×0.5)}
=2×{10×(4.5)+(1.5)}
=2×{45+1.5}
=2×46.5
S.A=93m²
2.S.A=L.A+B=(l×h)+(w×h)+(l×w)
S.A=(l×h)+(w×h)+(l×w)
=(10×6)+(8×2)+(10×8)
=60in²+16in²+80in²
S.A=156in²
Hope it help