Question

Find the slant height of a cone with radius 21cm and height 28cm

Answer 1

Answer:

35

Step-by-step explanation:

Here; r=21cm , h=28 cm.

Now, slant height,l=√21²+28²

                              =√441+784

                               =√1225

                               =35.

Answer 2

Answer:

Step-by-step explanation:

r=21 cm h=28 cm

l=√r²+h²

=√21²+28²

=√441+784

=√1225

=35 cm