Math, asked by lhingneilamlamboi35, 2 months ago

224
MATHEMATICS FOR CLASS IX
6.
Find the curved surface area, the total surface area and the volume of a
right circular cylinder whose radius r and height h are given by
Ho r= 7 cm, h = 15 cm​

Answers

Answered by vaishukrishna
1

Step-by-step explanation:

Radius of cylinder (r)=7cm

Height of cylinder (h)=15cm

Curved Surface Area =2πrh

=2×(22/7)×7×15

=660cm

2

Total Surface Area =2πr(h+r)

=2×(22/7)×7(15+7)

=2×22×22

=968cm

2

Answered by srinivasansrinivasa1
0

Step-by-step explanation:

Radius of cylinder (r)=7cm

Height of cylinder (h)=15cm

Curved Surface Area =2πrh

=2×(22/7)×7×15

=660cm

2

Total Surface Area =2πr(h+r)

=2×(22/7)×7(15+7)

=2×22×22

=968cm

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