Mensuration

Question 1

relation between height, base side and slant height
pyramid

Answer 1

l^2= h^2 + (a/2)^2

Question 2

relation betweem edge, base side, and slant height
pyramid

Answer 2

e^2= l^2+ (a/2)^2

Question 3

LSA/ Traingular SA
pyramid

Answer 3

all faces excluding the base

2al

Question 4

TSA of pyramid

Answer 4

LSA+ base area

2al+ a^2

Question 5

Volume of pyramid

Answer 5

(a^2 h)/3

Question 6

1 pyramid =

Answer 6

1/3 cuboid

Question 7

relation in cone

Answer 7

l^2= h^2+ r^2

Question 8

LSA/ CSA of cone

Answer 8

PI r l

Question 9

TSA of cone

Answer 9

Pi*r (l+r)

Question 10

volume of cone

Answer 10

1/3 Pi r^2 h

Question 11

1 cone

Answer 11

1/3 of cylinder

Question 12

CSA of cylinder

Answer 12

2 Pi r h

Question 13

TSA of cylinder

Answer 13

2 Pi r (h+r)

Question 14

volume of cylinder

Answer 14

Pi r^2 h

Question 15

hemi cylinder CSA

Answer 15

Pi h (Pi+2)

Question 16

hemi cylinder TSA

Answer 16

Pi r h + 2 r h+ PI r^2

Question 17

hemi cylinder volume

Answer 17

(Pi r^2 h)/2

Question 18

sphere CSA/ TSA/ SA

Answer 18

4 Pi r^2

Question 19

volume of sphere

Answer 19

4/3 * Pi r^3

Question 20

radius of circle (in sphere)

Answer 20

radius of grt circle of sphere

Question 21

height of sphere

Answer 21

diametre of great circle

Question 22

area of circle of sphere

Answer 22

arwa of grt circle of sphere

Question 23

CSA of hemi sphere

Answer 23

2 Pi r^2

Question 24

TSA of hemi sphere

Answer 24

3 Pi r^2

Question 25

volume of hemi sphere

Answer 25

2/3 Pi r^3

Question 26

heoght of hemi sphere

Answer 26

radius of grt circle/ base

Question 27

TSA of tent and pillar

Answer 27

CSA