Question

Sets
The tolat surface wee of a right circular cone in
1386 sq.com & slemt height is 3 times of its sedier
find out the slant Right​

Answer 1

Answer:

Step-by-step explanation:

Let redius be=x

Slant height=3x

TSA=πr(l+r)

1386 =22/7×x×3x

1386×7/22×1/3=x×x

147=x×x

X=7√3

3x=3×7√3

Slant height =21√3