Find the total surface area of this cone, leaving your answer in terms of pi

Find The Total Surface Area Of This Cone Leaving Your Answer In Terms Of Pi class=

Sagot :

Answer:

Surface area = 70π cm²

Step-by-step explanation:

Surface area = πr² + πrl

Surface area = (π × 5 × 5) + (π × 5 × 9)

Surface area = (25π) + (45π)

Surface area = 70π cm²