Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


Volume = (pi/3)H(A2 + AB + B2).
Surface Area = pi(A + B)sqrt[(B-A)2 + H2].................
0 0 0
1/3πh(r²+R²+rR) ⇒ volume
π(R+r)l ⇒ curved surface area, where l = √h²+(r-R)²
πl (r+R)+ πR+ πr ⇒ total surface area
h be height, l be slant height and r and R the radii of the ends (r>R) of the frustum of cone

0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts