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A cubical block of side 7 …

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A cubical block of side 7 cm is surmounted by a hemisphere . What us the greatest diameter the hemisphere can have? Find the surface area of solid.

Posted by Pradhum Maheshwari 6 years, 1 month ago

CBSE > Class 10 > Mathematics

8 answers

⚜??Brainly Buddy??⚜ 6 years, 1 month ago

Answer is 332.5

⚜??Brainly Buddy??⚜ 6 years, 1 month ago

Muskan where is its solution?

⚜??Brainly Buddy??⚜ 6 years, 1 month ago

Its SA = 6(side)² - πr² + 2πr²
=>6(7)² 22/7×7/2×7/2
=>294 + 38.5 = 336.5

⚜??Brainly Buddy??⚜ 6 years, 1 month ago

Gretaest diameter is the side of cube = 7 ck

Yogita Ingle 6 years, 1 month ago

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

?? 6 years, 1 month ago

The greatest diameter will be 7 and the surface area will be 332.5. it's full solution is available on this app

Varsha Katambe 6 years, 1 month ago

Total sur...area by 6 l square

Varsha Katambe 6 years, 1 month ago

Greatest diam... Will be 7 cm

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