The base area of a right circular cylinder is 16π square cm. Its height is 5 cm. Its curved surface area is
Answers
Answer:
Surface area of the cylinder is 125.6cm²✔
Step-by-step explanation:
Given that,
A right angle cylinder having a base area of 16πcm² and a height of 5cm.
Here, base area and the height is given we need to find the surface area of the cylinder.
Step 1 :
Finding the radius of the cylinder :
- Base area refers to the circle at the bottom of the cylinder.
Base area of a cylinder is given by : πr²
- Base area is 16πcm² (given)
- r = radius
- Taking π as 22/7
From the given values :
→ Base area = πr²
→ 16π = πr²
→ 16π/π = r²
→ 16 = r²
→ √16 = r
→ r = 4cm.
Therefore we for the radius as 4cm.
Step 2 :
Finding the surface area of the cylinder :
Surface area of a cylinder is given by : 2πrh
- r (radius) = 4cm.
- π = 3.14
- h = 5cm (given)
From the given values :
→ Surface area of the cylinder :
→ 2 • 3.14 • 4 • 5
→ 125.6cm²
Therefore, surface area of the cylinder is 125.6cm² ✔
Answer:
Surface area of the cylinder is 125.6cm²✔
Step-by-step explanation:
Given that,
A right angle cylinder having a base area of 16πcm² and a height of 5cm.
Here, base area and the height is given we need to find the surface area of the cylinder.
Step 1 :
Finding the radius of the cylinder :
Base area refers to the circle at the bottom of the cylinder.
Base area of a cylinder is given by : πr²
Base area is 16πcm² (given)
r = radius
Taking π as 22/7
From the given values :
→ Base area = πr²
→ 16π = πr²
→ 16π/π = r²
→ 16 = r²
→ √16 = r
→ r = 4cm.
Therefore we for the radius as 4cm.
Step 2 :
Finding the surface area of the cylinder :
Surface area of a cylinder is given by : 2πrh
r (radius) = 4cm.
π = 3.14
h = 5cm (given)
From the given values :
→ Surface area of the cylinder :
→ 2 • 3.14 • 4 • 5
→ 125.6cm²
Therefore, surface area of the cylinder is 125.6cm² ✔