Question

$\large\mathbb \pink{\fcolorbox{pink}{black}{ QUESTION \ }}$​

Answer 1

$\large\bf\underline\green{Answer }$

Radius, R=perimeter/2π=12/2×3.14⇒1.9mm

r=perimeter/2π=4/2×3.14=0.6mm

Curved surface area = π(R+r)s

=3.14×(1.9+0.6)×2

=3.14×2.5×2

=15.7mm

2

Answer 2

Answer:

Answer

Radius, R=perimeter/2π=12/2×3.14⇒1.9mm

r=perimeter/2π=4/2×3.14=0.6mm

Curved surface area = π(R+r)s

=3.14×(1.9+0.6)×2

=3.14×2.5×2

=15.7mm

2

Step-by-step explanation:

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