Question

1. Find the perimeter and area of the
combaund figures given below [+= 2 2 2
☺
CH
3.5em
6cm
10cm​

Answer 1

Answer:

Step-by-step explanation:

☺☺ HERE IS YOUR ANSWER ☺☺

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Radius of cone = radius of cylinder = radius of hemisphere = 3.5cm

height of cylinder = 6.5cm

height of cone = 12.8 - 6.5 = 6.3cm

Volume of Solid = Volume of cone + Volume of cylinder + Volume of hemisphere

=1/3πr^2h + πr^2h + 2/3πr^3

=πr^2(1/3h + h + 2/3r)

=22/7×3.5×3.5 (1/3×6.3 + 6.5 + 2/3×3.5)

=385/10 (21/10 + 65/10 + 23.33/10 )

=385/10 × 109.33/10

=42092.05/100

=420.92cm^3

Volume of Solid is 420.92 cm^3.

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