Question

Find the missing slant height

Answer 1

Answer:

$\ell=\frac{77}{4}$

Step-by-step explanation:

Because these two cones are similar, we can set up the following proportion:

$\frac{11}{4}=\frac{\ell}{7}$

Solving, we get:

$\ell=\frac{7\cdot11}{4},\\\ell=\fbox{ \frac{77}{4} }$.