Question

If the radius of a solid hemisphere is 5cm, then find its curved surface area and total surface area. (???? = 3.14)

Answer 1

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Answer 2

Answer:

Curved surface area = 157.07 cm²

Total surface area = 235.61 cm²

Step-by-step explanation:

As per the question,

Given that,

Radius of a solid hemisphere is 5 cm

As we know the formula for curved surface area and total surface area of hemisphere :

Total surface area = 3πr²

Curved surface area =2πr²

Therefore,

Total surface area of given hemisphere = 3πr²

= 3 × 3.14 × 5²                     (Take π = 3.14)

= 235.61 cm²

Hence, total surface area = 235.61 cm²

And,

Curved surface area of given hemisphere = 2πr²

= 2 × 3.14 × 5²                     (Take π = 3.14)

= 157.07 cm²

Hence, curved surface area = 157.07 cm²