Find the volume and curved
surface area of a cone with base
area 154 cm2 and slant height
25 cm.
please explain step by step
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Answer:
Step-by-step explanation:
Let the radius of the base of the cone be r cm
Now circumference of base =154cm
2πr=154
r=
2×22
154×7
= 2 /49 cm
Slant height =7cm
Curved area of cone =πrl
= 7/22 × 2/49 ×7
=539 cm
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