a wooden article was made by scooping out a hemisphere from which end of a solid cylinder as soon in figure if the height of cylinder is 10 cm and its base is of radius 3.5 cm find the total surface area of the article.
Answers
Answer:
Your ans is here
Step-by-step explanation:
We have
Height of cylinder= 10cm
radius of base= 3.5cm
Total surface area of the article =Curved surface area of the cylinder +2 surface area of a hemisphere
=2πrh+2(2πr
2
)
=2πr(h+2r)
=2×
7
22
×3.5(10+2×3.5)cm
2
=374cm
2
Answer:
We have
Height of cylinder= 10cm
radius of base= 3.5cm
Total surface area of the article =Curved surface area of the cylinder +2 surface area of a hemisphere
=2πrh+2(2πr
2
)
=2πr(h+2r)
=2×
7
22
×3.5(10+2×3.5)cm
2
=374cm
2