Math, asked by Aizakhan234, 1 year ago

From a solid right circular cylinder of height 2.4 cm and radius 0.7 cm, a right circular cone of same height and same radius is cut out. Find the total surface area of remaining solid.

Answers

Answered by madhurjya2
7
_______
calculate L = √ h² + r²

put value of r, h and L in the formula

2πrh + πr2² + πrl

Aizakhan234: What will be the answer??
Answered by rishabhshah2609
1

Answer:

height of cylinder = 2.4 cm

radius = 0.7 cm

height of cone = height of cylinder = 2.4cm

radius of cone = radius of cylinder = 0.7 cm

TSA of remaining solid = 2πrh + πrl + πr²

= πr ( 2h + l + r )

=22/7 * 0.7 ( 2*2.4 + 0.5 + 0.7)  

=2.2(4.8+1.2)

=2.2(6)

=13.2cm²

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