The lateral surface area s of a right circular cone is given by (equation given below). what radius should be used to produce a cone of height 5 inches and lateral surface area 100 square inches?
a. r = 1.52138.
b. r = 4.658
c. r = 78
d. r = 6.7432

r = 4.658

Step-by-step explanation:

Height of cone = 5 inches

Curved surface area of cone =

We are given that lateral surface area is 100 square inches.

So,

Squaring both sides

Solving this using Scientific calculator

r = 4.658

Hence the radius should be used to produce a cone of height 5 inches and lateral surface area 100 square inches is 4.658 inches

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step-by-step explanation: