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
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
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
Similar questions