Answer:

Step-by-step explanation:
we know that
The lateral area of the cone is equal to

where
r is the radius of the base
l is the slant height
we have

Applying the Pythagoras Theorem find the slant height

substitute in the formula

Answer:
2.7
Step-by-step explanation:
<span>(2.2 × 1012) + (1.7 × 109) = 2411.7</span>
Answer:
Second Graph.
Explanation:
It's the only graph that is concave down and the slope is decreasing.
Answer:
ya 5x is the right anwser