Question

please give me answer of maths question 3​

Answer 1

Step-by-step explanation:

Radius (r) of upper circular end =4 cm

Radius (R) of lower circular end =10 cm

Slant height (l) of frustum =15 cm

Area of material used for making the fez = CSA of frustum + Area of upper circular end

=π(R+r)l+πr

2

=π(10+4)×15+π×4

2

=210π+16π=

7

226×22

=710

7

2

cm

2

Therefore, the area of material used for making it is 710

7

2

cm

2

.

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Answer 2

Answer:

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