Math, asked by yyashaswini9033, 6 months ago

If you know the answer please answer me​

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Answered by anu400400
0

Answer:

ya find the area .....of this cylindrical penholder

Answered by vk6782699
1

Answer:

R=3cm, H=10.5cm

⇒Surface area = Curved Surface Area + Base Area

=2πrh+πr ^2

=2×22/7 ×3× 10.5/10 + 22/7 ×3×3cm ^2=198+198/7cm ^2

= 1584/7 cm^2

Step-by-step explanation:

Area of cardboard sheet used by competitor = 1584/7 cm ^2

⇒Area of cardboard sheet used by 35 competitors =

1584/7 ×35

=7920cm ^2

Is it ok now

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