Question

Q3 Find the Curved surface area of a right Circular Cone Whose slant height is
10cm and base radius is 7cm.
Q4 Find the surface area of a sphere of radius 7cm.
Q5 A Matchbox measures 4cm.x2.5cm. x1.5cm. What will be the Volume of a
packet containing 12 such boxes.
Q6 The height of a Cone is 15cm. If its Volume is 1570cm'. Find the radius of the
base.
(use 2= 3.14).
Q7 Find the radius of a Sphere whose surface area is 154cm
Q8 The Curved surface area of a nght Circular Cylinder of height 14cm is 88cm?
Find the diameter of the base of the cylinder.​

Answer 1

Answer:

1) A≈373.85 4) 615.75cm² 5)180 boxes