The height of a cone is 3 cm.find the area of the base, if the slant height is 5 cm
Answers
Answered by
1
Radius^2 =5^2 - 3^2
=25-9
=16
So radius=4cm
So base area=22/7*4*4
=50.28cm^2
=25-9
=16
So radius=4cm
So base area=22/7*4*4
=50.28cm^2
Answered by
0
Answer:
Step-by-step explanation:
Height =3cm
Slant height =5cm
r^2=l^2 - h^2
r^2 = 25 -16
r =4cm
Area of base= 22/7×r^2
=22/7 × 4×4
=352/7
=50.28 cm^2
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