The diameter of the base of a right circular cone is 10 cm and its slant height is 13 cm. Find its : (1) height (2) volume (3) total surface area
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Answer:
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
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