Get premium membership and access questions with answers, video lessons as well as revision papers.

A solid consists of a cone and a hemisphere. The common diameter of the cone and the hemisphere is 12 cm and the slanting height...

      

A solid consists of a cone and a hemisphere. The common diameter of the cone and the hemisphere is 12 cm and the slanting height of the cone is 10 cm. Calculate correct to two decimal places, the surface area of the solid.

  

Answers


Kavungya
S.A of solid = prl + 2pr2
= 3.142 x 6 x 10 + 2 x 3.14 x 62
= 188.52 + 226.224
= 414.744
= 414.74 cm2 (2 d.p)
Kavungya answered the question on November 13, 2019 at 10:52


Next: Solve for y given that y is acute and sin (3y – 500) – cos (2y + 100) = 0
Previous: The figure below shows two sectors in which AB and CD are arcs of concentric circles centre O. Angle AOB = 2/5 radians and AD =...

View More Mathematics Questions and Answers | Return to Questions Index


Learn High School English on YouTube

Related Questions