Question

The perimeter of the base of a cone is 44cm. What is the height of the cone if the volume is 169 cm solid

Answer 1

Step-by-step explanation:

• Perimeter of base= circumference of circle = 2 pie r
• 2×22/7×r=44
• 44 r/ 7= 44
• r=7 cm

Volume of cone =1/3 pie r^2 h

=1/3 ×22/7×49×h

169=154/3 h

h=169×3/154

h=3.29

h=3.3 (app)

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