A solid frustum is of height 8 cm. If the radii of its lower and upper ends are 3 cm and 9 cm respectively then its slant height is equal to:
(a) 15 cm
(b) 12 cm
(c) 10 cm
(d) 17 cm
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Answer:
actuallu i need points so i dont know the answer
Answered by
3
Answer:
c) 10 cm
Step-by-step explanation:
h=8cm r1=3cm r2=9cm
L=√[h^2+(r2-r1)^2]
L=√[8^2+(9-3)^2]
L=√(64+6^2)
L=√(64+36)
L=√100
L=10 cm
HOPE THIS BRING A SMILE IN YOUR FACE
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