Mensuration

Jai Ganesh · 2019-07-19 00:46:21

Hi,

The solution M#567 is correct. Keep it up, Monox D. I-Fly!

M # 568. Surface area of a hemisphere is

square centimeters. Find the volume of the sphere.

Jai Ganesh · 2019-07-20 18:30:10

Hi,

M # 569. The base radius of a cylindrical block of wood is 15 centimeters and its height is 40 centimeters. What is the volume of the largest cone that can be carved out of from this? Use

.

Monox D. I-Fly · 2019-07-21 19:02:15

Jai Ganesh · 2019-07-21 21:57:26

Hi,

.

The solution M # 569 is correct. Neat work, Monox D. I-Fly!

M # 570. A cone of maximum size and 16 centimeters of height is cut off from a solid sphere of 10 centimeters radius. How much part of the volume of the cone is the volume of the sphere?

Jai Ganesh · 2019-07-24 17:17:31

Hi,

.

M # 571. Find the area of a paper needed to cover a square pyramid of base edge 42 centimeters and lateral edge 29 centimeters.

Jai Ganesh · 2019-07-26 00:53:58

Hi,

M # 572. A solid metal cylinder is of base radius 12 centimeters and height 20 centimeters. By melting and recasting, how many cones of base radius 4 centimeters and height 5 centimeters can be made?

Jai Ganesh · 2019-07-29 16:59:16

Hi,

.

M # 573. A sector of central angle 216° is cut out from a circle of radius 25 centimeters and is rolled up into a cone. What are the base radius, height, and the volume of the cone? Use

.

Jai Ganesh · 2019-08-01 17:56:38

Hi,

M # 574. The largest sphere is carved out from a cube. If the volume of the sphere is

cubic centimeters. Find the volume of the cube.

Jai Ganesh · 2019-08-31 17:40:54

Hi,

M # 575. A metal cylinder of base radius 4 centimeters and height 10 centimeters is melted and recast into spheres of radius 2 centimeters. How many such spheres are got?

Monox D. I-Fly · 2019-09-01 15:43:05

Jai Ganesh · 2019-09-01 17:04:17

Hi,

The solution M # 575 is correct. Brilliant, Monox D. I-Fly!

M # 576. A solid metal sphere with radius 12 centimeters is melted and made into 27 equal small spheres. What is the radius of a small sphere?

666 bro · 2019-10-16 01:37:22

Hi
The solution of M# 576 is 4cms

Jai Ganesh · 2019-10-16 14:49:57

Hi,

The solution M # 576 is correct. Excellent, 666 bro!

M # 577. The ratio of the base radii of two cones is 3 : 5 and their heights are in the ratio 2 : 3. What is the ratio of their volumes?

666 bro · 2019-10-17 02:00:12

Hi,
Solution is 6:25

Last edited by 666 bro (2019-10-17 02:36:47)

Jai Ganesh · 2019-10-17 14:33:35

Hi 666 bro,

.

The solution M # 577 is correct. Brilliant!

#M # 578. The edge of a cube is 12 centimeters. Find the volume of the largest sphere that can be carved out from it. (In terms of pi).

Jai Ganesh · 2019-11-01 23:38:22

Hi,

M # 579. A sector of central angle 216° and radius 25 centimeters has been rolled up to form a cone. Find the radius, height, and volume of the cone.

Jai Ganesh · 2019-12-01 00:30:05

Hi,

M # 580. The ratio of the radius and slant height of a cone is 2 : 3. Find the central angle of the sector to make the cone.

Jai Ganesh · 2019-12-03 00:16:45

Hi,

M # 581. A square of side 5 centimeters and four isosceles triangles of base 5 centimeters and height 8 centimeters are put together to make a square pyramid. How many square centimeters of paper is needed?

Monox D. I-Fly · 2019-12-03 14:44:09

Jai Ganesh · 2019-12-03 15:40:36

Hi,

The solution M # 581 is correct. Neat work!

M # 582. The perimeter of the base of a square pyramid is 40 centimeters and the total length of all its edges is 92 centimeters. Calculate its surface area.

Jai Ganesh · 2019-12-06 00:03:04

Hi,

M # 583. A toy in in the shape of square pyramid has base edge 16 centimeters and slant height 10 centimeters. 500 of these are to be painted and the cost is $80 per square meter. What would be the total cost?

Jai Ganesh · 2019-12-17 15:31:25

Hi,

M # 584. What is the central angle of the sector needed to make a cone of base radius 10 centimeters and slant height 25 centimeters?

Jai Ganesh · 2019-12-31 23:11:44

Hi,

M # 585. What is the base radius and slant height of the cone made by rolling up a sector of radius 10 centimeters and central angle 60°?

Jai Ganesh · 2020-01-03 13:53:48

Hi,

M # 586. What is the ratio of the base radius and slant height of the cone made by rolling up a semicircle?

Jai Ganesh · 2020-01-31 23:54:29

Hi,

M # 587. What is the curved surface area of a cone of base radius 12 centimeters and slant height 25 centimeters approximately?

Math Is Fun Forum

#951 2019-07-19 00:46:21

Re: Mensuration

#952 2019-07-20 18:30:10

Re: Mensuration

#953 2019-07-21 19:02:15

Re: Mensuration

#954 2019-07-21 21:57:26

Re: Mensuration

#955 2019-07-24 17:17:31

Re: Mensuration

#956 2019-07-26 00:53:58

Re: Mensuration

#957 2019-07-29 16:59:16

Re: Mensuration

#958 2019-08-01 17:56:38

Re: Mensuration

#959 2019-08-31 17:40:54

Re: Mensuration

#960 2019-09-01 15:43:05

Re: Mensuration

#961 2019-09-01 17:04:17

Re: Mensuration

#962 2019-10-16 01:37:22

Re: Mensuration

#963 2019-10-16 14:49:57

Re: Mensuration

#964 2019-10-17 02:00:12

Re: Mensuration

#965 2019-10-17 14:33:35

Re: Mensuration

#966 2019-11-01 23:38:22

Re: Mensuration

#967 2019-12-01 00:30:05

Re: Mensuration

#968 2019-12-03 00:16:45

Re: Mensuration

#969 2019-12-03 14:44:09

Re: Mensuration

#970 2019-12-03 15:40:36

Re: Mensuration

#971 2019-12-06 00:03:04

Re: Mensuration

#972 2019-12-17 15:31:25

Re: Mensuration

#973 2019-12-31 23:11:44

Re: Mensuration

#974 2020-01-03 13:53:48

Re: Mensuration

#975 2020-01-31 23:54:29

Re: Mensuration

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