Task 3: Solve the problem carefully.
1. A box of soap is 8 cm by 5cm by 3cm. What is the surface area of the box?
2. The radius of a beach volleyball is 5 cm. What is its surface area?
3. Find the surface area of a cube whose lateral faces are bounded by a length of 20 cm
4. Find the circular area of cone if the radius of its base is 4.5 cm and its slant height is 6.7cm
5. Find the surface area of cylinder that has a radius of 13 cm and a body length of 25 cm.
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Answer
1. 158cm^3 2.idk 3.2400cm^3 4.idk 5.2*22/7*13*12
Step-by-step explanation:
1. surface area=2(lb+bh+hl)=2(40+15+24)
= 2(79)=158cm^3
3. surface area=6a^2=6*20^2=6*400
=2400cm^3
4.idk
5. curved surface area=2*pie*r*h
=2*22/7*13*25
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