A cubical block of 7 cm is surmounted by a hemisphere what is the greatest diameter the hemisphere can have ? find the surface area of the solid
Need the right answer
Answers
Answered by
2
Answer:
The hemisphere is mounted on the cubical block
The diameter of the hemisphere = the side of the cube = 7cm
TSA of the solid = TSA of cube - Area of base of hemisphere + CSA of hemisphere
⇒ TSA = 6×7² - π×(3.5)² + 2×π×(3.5)²
⇒ TSA = 6×7² + π×(3.5)²
⇒ TSA = 332. 465 cm²
Explanation:
Ithanne answer..
Similar questions