a glass jar has a plastic lid. the jar and the lid are both cylindrical. the radius and the height of the jar are 3.5cm and 10 cm and those of the lid are 3.6 and 1.3 cm. find the surface area of the glass and of the plastic lid separately
Answers
Answered by
2
Answer:
Step-by-step explanation:
Surface area of glass = 2×3.14×3.5×10+3.14×3.5×3.5
=219.8+38.465
=258.265
Surface area of lid
= 2×3.14×3.6×1.3 + 3.14×3.6×3.6
=29.3904 + 44.5824
=73.9728
Similar questions