the diameter of the base of a right circular cone is 10 cm and its slant height is 13 cm find its height,volume and total surface area
Answers
Answered by
7
Step-by-step explanation:
r=5cm
l=13cm
h= √l²-r²
= √13²-5²
=12
VOLUME:
= πr²h/3
= π*25*12/3
π*100
= 314cm³
SURFACE AREA:-
A= πrl+πr²
πr(l+r)
π5*18
90πcm²
hope it will help you
please mark me as brainlist
and follow too
Similar questions