Question

a wooden article was made by scooping out hemisphere from each end of cylinder as shown in figure if height of cylinder is 10 cm its base is diameter 7 cm find the total surface area of article when it is ready​

Answer 1

Step-by-step explanation:

The article made by it will be a sphere with the same radius as cone have

since the total surface area of sphere is 4xpi×r^2

here,r =7/2cm. =3.5cm.

therefore area of sphere will be,

4×22/7×3.5×3.5

4×22/7×35/10×35/10

154

so, total surface area of the item formed will be 154 sq. cm.

Answer 2

Step-by-step explanation:

Hey mate where is ur figure

If u want correct answer of any question post full questions with figure